title
Build An AI Image Generator With OpenAI & Node.js
description
In this project, we will use OpenAI and the DALL-E model to create a web app that will generate images from scratch based on the entered text.
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https://github.com/bradtraversy/nodejs-openai-image
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https://beta.openai.com/
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Timestamps:
0:00 - Intro
2:00 - Setup & Install Dependencies
3:33 - Express Server & ENV Variables
6:03 - Route & Controller
9:58 - OpenAI Library Request/Response
15:17 - Request Body Data
19:34 - Frontend Setup
24:00 - Form Event Listener
26:38 - GenerateImageRequest() Function
31:45 - Display Image in DOM
33:20 - Using The App & Outro
detail
{'title': 'Build An AI Image Generator With OpenAI & Node.js', 'heatmap': [], 'summary': "Tutorial demonstrates building a web app using openai's dallĀ·e system to generate realistic images based on text inputs, integrating node.js for the backend and html, css, and vanilla javascript for the frontend. it covers setting up project dependencies, creating an openai controller for image generation, error handling, ui design, handling fetch api responses, updating the dom with image urls, and ai image generation and recognition.", 'chapters': [{'end': 119.289, 'segs': [{'end': 119.289, 'src': 'embed', 'start': 45.762, 'weight': 0, 'content': [{'end': 52.584, 'text': "And we're going to be able to do that using open eyes dolly system, which can, as you can see, create realistic images.", 'start': 45.762, 'duration': 6.822}, {'end': 56.207, 'text': 'and art from a description in natural language.', 'start': 53.104, 'duration': 3.103}, {'end': 65.695, 'text': "so if you put like give me a frog on a computer drinking coffee, it'll generate that image and it'll create it from you know, from scratch,", 'start': 56.207, 'duration': 9.488}, {'end': 67.737, 'text': 'using machine learning and ai.', 'start': 65.695, 'duration': 2.042}, {'end': 71.481, 'text': "so this is the the app we're going to build and we're using node.js.", 'start': 67.737, 'duration': 3.744}, {'end': 80.169, 'text': "so we're going to have a node back end where we use the openai node package And then the front end will just be HTML, CSS and vanilla JavaScript.", 'start': 71.481, 'duration': 8.688}, {'end': 82.671, 'text': 'And if you want to use a framework, of course you can do that.', 'start': 80.189, 'duration': 2.482}, {'end': 90.338, 'text': 'But if we put in here, what did I say? A frog on a computer drinking coffee.', 'start': 83.231, 'duration': 7.107}, {'end': 92.76, 'text': 'And then you can choose a size as well.', 'start': 90.959, 'duration': 1.801}, {'end': 97.325, 'text': "So let's click generate and just takes a couple seconds.", 'start': 93.361, 'duration': 3.964}, {'end': 100.776, 'text': 'And there we go.', 'start': 99.575, 'duration': 1.201}, {'end': 103.658, 'text': 'So we get a frog drinking coffee on a computer.', 'start': 100.816, 'duration': 2.842}, {'end': 107.961, 'text': "If I click generate again, it'll give us another one, something completely different.", 'start': 103.678, 'duration': 4.283}, {'end': 118.328, 'text': "And it's not like it's going out and finding this image on the Internet, it's just creating it from scratch based off of machine learning and A.I.", 'start': 110.663, 'duration': 7.665}, {'end': 119.289, 'text': 'So really, really cool.', 'start': 118.328, 'duration': 0.961}], 'summary': "Using openai's dolly system, it generates realistic images based on natural language input, powered by machine learning and ai.", 'duration': 73.527, 'max_score': 45.762, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE45762.jpg'}], 'start': 5.768, 'title': 'Creating image-generating web app', 'summary': "Discusses creating a web app using openai's dallĀ·e system to generate realistic images based on text inputs, utilizing node.js for the backend and html, css, and vanilla javascript for the frontend.", 'chapters': [{'end': 119.289, 'start': 5.768, 'title': 'Creating image-generating web app', 'summary': "Discusses creating a web app using openai's dallĀ·e system to generate realistic images based on text inputs, utilizing node.js for the backend and html, css, and vanilla javascript for the frontend.", 'duration': 113.521, 'highlights': ["The web app uses OpenAI's DALLĀ·E system to generate realistic images from text inputs using machine learning and AI.", 'It utilizes node.js for the backend and HTML, CSS, and vanilla JavaScript for the frontend.', "The app can generate images based on natural language descriptions, such as 'a frog on a computer drinking coffee,' with the ability to choose the size of the image."]}], 'duration': 113.521, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE5768.jpg', 'highlights': ["The web app uses OpenAI's DALLĀ·E system to generate realistic images from text inputs using machine learning and AI.", 'It utilizes node.js for the backend and HTML, CSS, and vanilla JavaScript for the frontend.', "The app can generate images based on natural language descriptions, such as 'a frog on a computer drinking coffee,' with the ability to choose the size of the image."]}, {'end': 490.077, 'segs': [{'end': 181.571, 'src': 'embed', 'start': 137.29, 'weight': 0, 'content': [{'end': 143.291, 'text': "So, as far as the dependencies we need, we want to install express, because we're going to create a route and so on.", 'start': 137.29, 'duration': 6.001}, {'end': 147.092, 'text': 'And then we want the open AI library.', 'start': 143.812, 'duration': 3.28}, {'end': 151.513, 'text': "And then I'm also going to install dot ENV for our environment variables.", 'start': 147.692, 'duration': 3.821}, {'end': 156.655, 'text': "And one of those environment variables is going to be our API key, which I'll show you how to get in a few minutes.", 'start': 151.993, 'duration': 4.662}, {'end': 162.676, 'text': "Now, I also just want to install as a dev dependency node mon just so we don't have to keep restarting it.", 'start': 157.335, 'duration': 5.341}, {'end': 170.749, 'text': "And then let's go into our package dot Jason and I'm just going to create a start script.", 'start': 164.848, 'duration': 5.901}, {'end': 180.631, 'text': "So set that to start and then let's do and NPM node index which will run the index file.", 'start': 172.169, 'duration': 8.462}, {'end': 181.571, 'text': "That's what I'm going to call it.", 'start': 180.671, 'duration': 0.9}], 'summary': 'Install express, open ai library, dot env, and node mon as dependencies and create start script in package.json.', 'duration': 44.281, 'max_score': 137.29, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE137290.jpg'}, {'end': 243.318, 'src': 'embed', 'start': 210.992, 'weight': 1, 'content': [{'end': 212.734, 'text': 'And now we can start writing our code.', 'start': 210.992, 'duration': 1.742}, {'end': 218.779, 'text': "So we're going to start off by just creating a very simple express server.", 'start': 213.775, 'duration': 5.004}, {'end': 219.76, 'text': "So let's bring in.", 'start': 218.879, 'duration': 0.881}, {'end': 231.25, 'text': "say const express and we want to require express and we'll bring in dot env as well.", 'start': 220.482, 'duration': 10.768}, {'end': 235.032, 'text': "so let's say dot env, but we do have to call the config method.", 'start': 231.25, 'duration': 3.782}, {'end': 237.874, 'text': "that's how this package works.", 'start': 235.032, 'duration': 2.842}, {'end': 243.318, 'text': "so let's say dot env and then we can create a dot env environment.", 'start': 237.874, 'duration': 5.444}], 'summary': 'Creating a simple express server using express and dot env.', 'duration': 32.326, 'max_score': 210.992, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE210992.jpg'}, {'end': 355.235, 'src': 'embed', 'start': 330.301, 'weight': 4, 'content': [{'end': 336.925, 'text': 'where you can get that is at beta.openai.com and then over here.', 'start': 330.301, 'duration': 6.624}, {'end': 343.348, 'text': 'of course, you have to log in, create an account login and then view api keys, and here you can create your keys.', 'start': 336.925, 'duration': 6.423}, {'end': 346.89, 'text': "all right, so i'm going to just grab the one that i've been using.", 'start': 343.348, 'duration': 3.542}, {'end': 355.235, 'text': "see, i have that all over the side here and you know, don't use this key because i'm going to delete it after make sure you create your own,", 'start': 346.89, 'duration': 8.345}], 'summary': 'Instructions for accessing api keys at beta.openai.com provided.', 'duration': 24.934, 'max_score': 330.301, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE330301.jpg'}, {'end': 407.178, 'src': 'embed', 'start': 378.176, 'weight': 2, 'content': [{'end': 387.663, 'text': "So what I'm going to do is create a routes folder and in routes, we're going to have a file called OpenAI routes dot JS.", 'start': 378.176, 'duration': 9.487}, {'end': 392.233, 'text': "OK, and then back in the index JS, I'm going to connect that.", 'start': 388.632, 'duration': 3.601}, {'end': 393.954, 'text': "So let's say app dot use.", 'start': 392.313, 'duration': 1.641}, {'end': 402.196, 'text': 'And for the route slash open AI, I want to require that that file.', 'start': 394.954, 'duration': 7.242}, {'end': 407.178, 'text': 'So we want to go dot slash routes slash open air routes.', 'start': 402.276, 'duration': 4.902}], 'summary': 'Creating routes folder with openai routes.js and connecting it in index.js', 'duration': 29.002, 'max_score': 378.176, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE378176.jpg'}], 'start': 119.589, 'title': 'Setting up node.js project dependencies and integrating openai with express', 'summary': 'Covers installing dependencies like express, open ai library, and dot env for environment variables in a node.js project, as well as setting up an express server with nodemon as a dev dependency, creating environment variables, initializing express, and creating routes for openai integration, including obtaining an api key from beta.openai.com.', 'chapters': [{'end': 156.655, 'start': 119.589, 'title': 'Setting up dependencies for a node.js project', 'summary': 'Covers setting up a node.js project by installing necessary dependencies like express, open ai library, and dot env for environment variables, including obtaining an api key.', 'duration': 37.066, 'highlights': ['Installing necessary dependencies like express, open AI library, and dot ENV for environment variables', 'Obtaining an API key for the project']}, {'end': 490.077, 'start': 157.335, 'title': 'Setting up an express server with openai integration', 'summary': 'Details the process of setting up an express server with nodemon as a dev dependency, creating environment variables, initializing express, and creating routes for openai integration, along with explaining how to obtain an api key from beta.openai.com.', 'duration': 332.742, 'highlights': ['Setting up an Express server with nodemon as a dev dependency The speaker installs nodemon as a dev dependency to avoid restarting, sets up a start script in the package.json, and creates a dev script for running nodemon in the index file.', 'Creating environment variables and initializing Express The process involves creating a .env file with a port variable, setting up the process.env for the port value, and initializing Express server with a start.listen function.', 'Obtaining an API key from beta.openai.com Instructions are provided for obtaining an API key from beta.openai.com, including the steps for creating an account, logging in, and viewing API keys.', 'Creating routes for OpenAI integration The speaker explains the process of creating a routes folder and a file named OpenAI routes.js, and connecting it in the index.js to create routes for OpenAI integration.']}], 'duration': 370.488, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE119589.jpg', 'highlights': ['Setting up an Express server with nodemon as a dev dependency', 'Creating environment variables and initializing Express', 'Creating routes for OpenAI integration', 'Installing necessary dependencies like express, open AI library, and dot ENV for environment variables', 'Obtaining an API key for the project', 'Obtaining an API key from beta.openai.com']}, {'end': 763.756, 'segs': [{'end': 588.96, 'src': 'embed', 'start': 490.077, 'weight': 0, 'content': [{'end': 498.664, 'text': "so again it's going to be localhost 5000, open ai, slash, generate image And you should see a 200 response and success.", 'start': 490.077, 'duration': 8.587}, {'end': 502.606, 'text': 'True So now, like I said, I want to have a controller function.', 'start': 498.744, 'duration': 3.862}, {'end': 508.05, 'text': "So let's create a new folder called Controllers or no.", 'start': 503.027, 'duration': 5.023}, {'end': 509.29, 'text': "Yeah, I don't want controller.", 'start': 508.11, 'duration': 1.18}, {'end': 510.691, 'text': "Let's call it Controllers.", 'start': 509.33, 'duration': 1.361}, {'end': 521.158, 'text': "OK, and then inside that will create a new file and let's call that open a controller dot J.S.", 'start': 510.711, 'duration': 10.447}, {'end': 523.346, 'text': 'All right.', 'start': 523.046, 'duration': 0.3}, {'end': 525.348, 'text': "So in here, this is this is where we're going to do.", 'start': 523.385, 'duration': 1.963}, {'end': 529.231, 'text': "We're going to use the open AI library and so on.", 'start': 525.368, 'duration': 3.863}, {'end': 533.274, 'text': "So let's start off by just creating our function.", 'start': 530.032, 'duration': 3.242}, {'end': 538.979, 'text': "I'm going to call it generate image and I'll use an arrow function.", 'start': 533.294, 'duration': 5.685}, {'end': 544.383, 'text': 'And this is going to be asynchronous because the open AI library is going to give us a promise.', 'start': 539.78, 'duration': 4.603}, {'end': 549.587, 'text': "So let's say a sync and let's pass in our.", 'start': 545.144, 'duration': 4.443}, {'end': 552.53, 'text': 'Request and response.', 'start': 550.888, 'duration': 1.642}, {'end': 556.512, 'text': "And then for now, I'm just going to go ahead and grab this.", 'start': 553.891, 'duration': 2.621}, {'end': 566.257, 'text': 'Paste that in there and we have to make sure that we export this, so module exports an object with.', 'start': 559.013, 'duration': 7.244}, {'end': 568.998, 'text': 'Generate image.', 'start': 567.977, 'duration': 1.021}, {'end': 572.199, 'text': 'All right, then we can go ahead and bring that in here.', 'start': 569.018, 'duration': 3.181}, {'end': 575.161, 'text': "Let's say we're going to destructure.", 'start': 572.219, 'duration': 2.942}, {'end': 578.502, 'text': 'Generate image.', 'start': 576.401, 'duration': 2.101}, {'end': 588.96, 'text': "From from the let's go out up one level to controllers and then open a controller.", 'start': 579.903, 'duration': 9.057}], 'summary': 'Creating a new controller function, generate image, using open ai library for asynchronous processing.', 'duration': 98.883, 'max_score': 490.077, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE490077.jpg'}, {'end': 691.688, 'src': 'embed', 'start': 663.316, 'weight': 3, 'content': [{'end': 669.722, 'text': "So the way we do this is we await on open a dot and you can see there's a ton of methods.", 'start': 663.316, 'duration': 6.406}, {'end': 671.464, 'text': "We're going to use create image.", 'start': 670.083, 'duration': 1.381}, {'end': 674.276, 'text': 'And that takes in an object.', 'start': 672.415, 'duration': 1.861}, {'end': 676.498, 'text': 'And we need a couple of things here.', 'start': 675.057, 'duration': 1.441}, {'end': 677.779, 'text': 'So one is the prompt.', 'start': 676.578, 'duration': 1.201}, {'end': 681.281, 'text': "That's going to be the text that you want to describe your image.", 'start': 677.839, 'duration': 3.442}, {'end': 684.683, 'text': 'And ultimately this will come from a form from the front end.', 'start': 681.921, 'duration': 2.762}, {'end': 691.688, 'text': "But for now I'm just going to put in let's say polar bear on ice skates or whatever you want to put.", 'start': 684.723, 'duration': 6.965}], 'summary': "Using the 'create image' method to describe an image with a prompt.", 'duration': 28.372, 'max_score': 663.316, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE663316.jpg'}, {'end': 763.756, 'src': 'embed', 'start': 735.736, 'weight': 4, 'content': [{'end': 743.602, 'text': 'And we can get that from the response dot data and then dot data again which is an array.', 'start': 735.736, 'duration': 7.866}, {'end': 747.344, 'text': 'So we want the first item in the array and then dot URL.', 'start': 744.002, 'duration': 3.342}, {'end': 749.626, 'text': "OK so that'll give us the URL.", 'start': 748.045, 'duration': 1.581}, {'end': 757.331, 'text': "And then as far as what I want to respond with let's go ahead and paste that in and we just want to add to this.", 'start': 750.246, 'duration': 7.085}, {'end': 761.114, 'text': "I'm going to call this data and set that to image URL.", 'start': 757.351, 'duration': 3.763}, {'end': 763.756, 'text': 'All right.', 'start': 763.476, 'duration': 0.28}], 'summary': 'Extract the image url from the response data array.', 'duration': 28.02, 'max_score': 735.736, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE735736.jpg'}], 'start': 490.077, 'title': 'Openai image generation', 'summary': 'Covers creating an openai controller for image generation, including setting up a new controller function and utilizing the openai library for asynchronous processing. it also demonstrates the process of using openai to generate an image by setting up prompts, number of images, and obtaining the image url for response.', 'chapters': [{'end': 588.96, 'start': 490.077, 'title': 'Creating openai controller for image generation', 'summary': "Discusses creating a new controller function called 'generate image' inside a folder named 'controllers', utilizing the openai library for asynchronous processing and exporting the function as an object to be used in the main file.", 'duration': 98.883, 'highlights': ["Creating a new controller function called 'generate image' inside a folder named 'Controllers'", 'Utilizing the OpenAI library for asynchronous processing', 'Exporting the function as an object to be used in the main file']}, {'end': 763.756, 'start': 589.441, 'title': 'Using openai to generate image', 'summary': "Demonstrates how to use openai's create image method to generate an image by setting up the prompt, number of images, and size of the image, ultimately obtaining the image url for response.", 'duration': 174.315, 'highlights': ['Setting up the prompt, number of images, and size of the image The chapter explains setting up the prompt, number of images, and size of the image, such as specifying the text for the prompt, the number of images (hard-coded to one), and the size (512x512 pixels).', 'Obtaining the image URL for response The process of obtaining the image URL for response is outlined, involving accessing the URL from the response data array and adding it to the response.']}], 'duration': 273.679, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE490077.jpg', 'highlights': ['Utilizing the OpenAI library for asynchronous processing', "Creating a new controller function called 'generate image' inside a folder named 'Controllers'", 'Exporting the function as an object to be used in the main file', 'Setting up the prompt, number of images, and size of the image', 'Obtaining the image URL for response']}, {'end': 1275.188, 'segs': [{'end': 792.874, 'src': 'embed', 'start': 763.796, 'weight': 0, 'content': [{'end': 773.459, 'text': "Now, as far as the the error goes, you know, if something goes wrong, let's go ahead and set 400 and set this to false.", 'start': 763.796, 'duration': 9.663}, {'end': 779.521, 'text': "And I'm going to put message or error or whatever you want.", 'start': 775.22, 'duration': 4.301}, {'end': 783.122, 'text': "And I'm just going to say the image could not be generated.", 'start': 779.881, 'duration': 3.241}, {'end': 792.874, 'text': "And basically what's going to fire this off the most, the reason you'll get an error the most is because of violating the content policy.", 'start': 784.409, 'duration': 8.465}], 'summary': 'Set error code 400 to false for content policy violations.', 'duration': 29.078, 'max_score': 763.796, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE763796.jpg'}, {'end': 864.295, 'src': 'embed', 'start': 815.749, 'weight': 2, 'content': [{'end': 821.692, 'text': 'And if we go to the docs here and we go to image generation.', 'start': 815.749, 'duration': 5.943}, {'end': 824.933, 'text': "So basically, this is what we're doing right now.", 'start': 821.712, 'duration': 3.221}, {'end': 827.354, 'text': "There's no JS is also Python.", 'start': 825.493, 'duration': 1.861}, {'end': 834.977, 'text': 'Now, in addition to adding or generating images, you can also edit existing images like you can see here.', 'start': 828.435, 'duration': 6.542}, {'end': 841.68, 'text': 'You can upload or you can use a mask and then add something to that image, which I think is really cool.', 'start': 835.557, 'duration': 6.123}, {'end': 844.422, 'text': "We're not going to do that, but that is possible.", 'start': 842.401, 'duration': 2.021}, {'end': 847.504, 'text': 'You can also create different variations of images.', 'start': 844.482, 'duration': 3.022}, {'end': 856.47, 'text': "But if we go all the way down, you'll see for error handling, I just want to grab this right here because this will tell us exactly what's wrong.", 'start': 848.225, 'duration': 8.245}, {'end': 864.295, 'text': "On the front end, they'll just see the image can't be generated, but we want to know as a developer what is happening.", 'start': 857.01, 'duration': 7.285}], 'summary': 'The tool allows image generation, editing, and error handling, providing insights for developers.', 'duration': 48.546, 'max_score': 815.749, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE815749.jpg'}, {'end': 947.826, 'src': 'embed', 'start': 918.485, 'weight': 5, 'content': [{'end': 921.327, 'text': "Of course, we don't always want to look for a polar bear on ice skates.", 'start': 918.485, 'duration': 2.842}, {'end': 925.07, 'text': 'We want to be able to take in body data from the request.', 'start': 921.367, 'duration': 3.703}, {'end': 929.033, 'text': 'So in order to do that, we need to add a little bit of middleware.', 'start': 925.691, 'duration': 3.342}, {'end': 931.235, 'text': "So let's go here.", 'start': 929.454, 'duration': 1.781}, {'end': 932.336, 'text': "Let's say enable.", 'start': 931.255, 'duration': 1.081}, {'end': 934.713, 'text': 'Body parser.', 'start': 933.712, 'duration': 1.001}, {'end': 937.896, 'text': 'Passer Passer.', 'start': 936.215, 'duration': 1.681}, {'end': 938.897, 'text': "That's how I would say it.", 'start': 937.956, 'duration': 0.941}, {'end': 941.52, 'text': 'Off video.', 'start': 940.719, 'duration': 0.801}, {'end': 945.183, 'text': 'Try not to let too much of my accent out.', 'start': 942.761, 'duration': 2.422}, {'end': 947.826, 'text': "So let's say app.use.", 'start': 946.124, 'duration': 1.702}], 'summary': "Middleware 'body parser' is used to take in body data from requests.", 'duration': 29.341, 'max_score': 918.485, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE918485.jpg'}, {'end': 1007.336, 'src': 'embed', 'start': 976.297, 'weight': 3, 'content': [{'end': 989.442, 'text': "So back in our controller what we'll do is see right in the generate image I'm going to destructure from request dot body.", 'start': 976.297, 'duration': 13.145}, {'end': 997.688, 'text': 'And basically you want to be able to take in here a prompt which is going to be the text and then also the size.', 'start': 990.282, 'duration': 7.406}, {'end': 1007.336, 'text': "Now the prompt that's easy we can just you know get rid of this just do that and that's going to use whatever this is passed in from the form.", 'start': 999.55, 'duration': 7.786}], 'summary': 'In the controller, we destructure the request body to get the prompt text and size for the image generation.', 'duration': 31.039, 'max_score': 976.297, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE976297.jpg'}, {'end': 1207.463, 'src': 'embed', 'start': 1180.464, 'weight': 7, 'content': [{'end': 1184.567, 'text': "So what we're going to do is create a folder here called public.", 'start': 1180.464, 'duration': 4.103}, {'end': 1192.993, 'text': 'And we want to make that the the the static folder so we can just have like, you know, an HTML file.', 'start': 1185.928, 'duration': 7.065}, {'end': 1194.794, 'text': 'We can have our CSS and so on.', 'start': 1193.013, 'duration': 1.781}, {'end': 1197.716, 'text': "So let's add the middleware for that.", 'start': 1195.355, 'duration': 2.361}, {'end': 1200.218, 'text': "I'm just going to say set static folder.", 'start': 1197.736, 'duration': 2.482}, {'end': 1202.402, 'text': 'And we can do that.', 'start': 1201.562, 'duration': 0.84}, {'end': 1203.722, 'text': "I'm actually going to excuse me.", 'start': 1202.422, 'duration': 1.3}, {'end': 1207.463, 'text': "I'm going to bring in the port port.", 'start': 1203.742, 'duration': 3.721}], 'summary': "Creating a 'public' folder to serve static files like html and css, and adding middleware for the static folder.", 'duration': 26.999, 'max_score': 1180.464, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1180464.jpg'}], 'start': 763.796, 'title': 'Image generation and error handling', 'summary': 'Covers error handling in image generation, focusing on the 400 error code for content policy violations, and discusses the process of generating and editing images using python, configuring the backend, and setting up the static folder for the frontend.', 'chapters': [{'end': 815.549, 'start': 763.796, 'title': 'Error handling in image generation', 'summary': "Discusses error handling in image generation, emphasizing the 400 error code for content policy violations, such as attempting to generate inappropriate images like porn, resulting in a 'the image could not be generated' error message, and the need to log any errors.", 'duration': 51.753, 'highlights': ['The most common reason for getting an error is violating the content policy, such as attempting to generate inappropriate images like porn, resulting in a 400 error.', "Setting the error code to 400 and providing a message like 'The image could not be generated' is essential for error handling.", 'Emphasizing the need to log any errors for further analysis and troubleshooting.']}, {'end': 1275.188, 'start': 815.749, 'title': 'Openai backend and image generation', 'summary': 'Discusses the process of generating and editing images using python, error handling, and configuring the backend to accept body data, with details on the image size and successful testing, culminating in setting up the static folder for the frontend.', 'duration': 459.439, 'highlights': ["Configuring the backend to accept body data with prompt and size, and testing the image generation with a successful response. Successful testing of image generation with prompt 'man on the moon' and size 'medium' resulting in a 'man on the moon sitting in a bucket'.", 'Discussions on error handling and the importance of error messages for developers. Emphasizing the importance of detailed error messages for developers to understand issues in image generation.', 'Explanation of configuring the backend to accept body data and the process of adding middleware for body parsing. Setting up middleware for body parsing to enable the backend to accept body data.', 'Discussion on generating and editing images using Python, including the ability to create different variations of images. Overview of the process of generating and editing images using Python, including creating different image variations.', 'Setting up the static folder for the frontend and configuring the backend to serve static files. Setting up the static folder for the frontend and configuring the backend to serve static files for the frontend.']}], 'duration': 511.392, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE763796.jpg', 'highlights': ["Setting the error code to 400 and providing a message like 'The image could not be generated' is essential for error handling.", 'The most common reason for getting an error is violating the content policy, such as attempting to generate inappropriate images like porn, resulting in a 400 error.', 'Emphasizing the need to log any errors for further analysis and troubleshooting.', 'Configuring the backend to accept body data with prompt and size, and testing the image generation with a successful response.', 'Emphasizing the importance of detailed error messages for developers to understand issues in image generation.', 'Setting up middleware for body parsing to enable the backend to accept body data.', 'Overview of the process of generating and editing images using Python, including creating different image variations.', 'Setting up the static folder for the frontend and configuring the backend to serve static files for the frontend.']}, {'end': 1756.486, 'segs': [{'end': 1352.662, 'src': 'embed', 'start': 1275.188, 'weight': 0, 'content': [{'end': 1282.17, 'text': "as far as the the css goes, i'm gonna paste, copy and paste that in, because that's just obnoxious to write.", 'start': 1275.188, 'duration': 6.982}, {'end': 1291.378, 'text': "so in public let's create a folder called css And then in CSS we're going to create style dot CSS.", 'start': 1282.17, 'duration': 9.208}, {'end': 1293.279, 'text': 'And I also have a spinner.', 'start': 1291.959, 'duration': 1.32}, {'end': 1295.88, 'text': 'When we submit the form, you see we had a spinner.', 'start': 1293.379, 'duration': 2.501}, {'end': 1298.901, 'text': "So I'm going to put that in a separate CSS file.", 'start': 1296.26, 'duration': 2.641}, {'end': 1304.023, 'text': "Okay, now the spinner, I'm going to paste that in.", 'start': 1300.221, 'duration': 3.802}, {'end': 1308.104, 'text': 'And you can get this from the repo in the description.', 'start': 1304.683, 'duration': 3.421}, {'end': 1310.285, 'text': 'This is a spinner I found on CodePen.', 'start': 1308.464, 'duration': 1.821}, {'end': 1312.986, 'text': 'So I want to make sure I put the link to it in there.', 'start': 1310.305, 'duration': 2.681}, {'end': 1314.586, 'text': 'I did change a couple things around.', 'start': 1313.126, 'duration': 1.46}, {'end': 1321.966, 'text': 'Basically, we want to, Add a show class if we want it to display and just remove the show class for not to display.', 'start': 1315.007, 'duration': 6.959}, {'end': 1325.987, 'text': "So we'll save that and then I'm going to grab the style CSS.", 'start': 1322.687, 'duration': 3.3}, {'end': 1332.469, 'text': "OK, and just to go through this real quick, we're just we're using the Poppins font.", 'start': 1328.908, 'duration': 3.561}, {'end': 1334.089, 'text': 'We have a reset.', 'start': 1333.229, 'duration': 0.86}, {'end': 1339.511, 'text': 'We have the primary color as a custom property, body styles, the nav bar.', 'start': 1334.13, 'duration': 5.381}, {'end': 1345.215, 'text': 'Then we have the showcase, which is the big yellow area, with the form showcase, form showcase,', 'start': 1340.35, 'duration': 4.865}, {'end': 1351.841, 'text': "input form button and then the image area where the image shows, as well as the message if there's an error.", 'start': 1345.215, 'duration': 6.626}, {'end': 1352.662, 'text': 'All right.', 'start': 1352.362, 'duration': 0.3}], 'summary': 'Creating css files for spinner, fonts, colors, and layout.', 'duration': 77.474, 'max_score': 1275.188, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1275188.jpg'}, {'end': 1475.15, 'src': 'embed', 'start': 1447.711, 'weight': 2, 'content': [{'end': 1451.153, 'text': "And in JS, we're going to create a main.js file.", 'start': 1447.711, 'duration': 3.442}, {'end': 1455.757, 'text': "So the very first thing we'll do is add our event listener to the form.", 'start': 1452.394, 'duration': 3.363}, {'end': 1459.359, 'text': "So let's say document.queryselector.", 'start': 1455.877, 'duration': 3.482}, {'end': 1464.643, 'text': "And I'm going to select the form, which I believe has an ID of image-form.", 'start': 1459.539, 'duration': 5.104}, {'end': 1467.765, 'text': "And let's add an event listener onto that.", 'start': 1465.844, 'duration': 1.921}, {'end': 1471.427, 'text': "We're going to listen for a submit.", 'start': 1469.866, 'duration': 1.561}, {'end': 1475.15, 'text': "And when that happens, we're going to call a function called onSubmit.", 'start': 1472.068, 'duration': 3.082}], 'summary': 'Creating a main.js file, adding event listener to form, calling onsubmit function on submit event.', 'duration': 27.439, 'max_score': 1447.711, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1447711.jpg'}, {'end': 1631.873, 'src': 'embed', 'start': 1601.937, 'weight': 1, 'content': [{'end': 1610.765, 'text': "So let's say a sync function and generate image request takes in prompt and size.", 'start': 1601.937, 'duration': 8.828}, {'end': 1613.788, 'text': 'All right.', 'start': 1610.785, 'duration': 3.003}, {'end': 1618.932, 'text': 'Now I do want to I want to show the spinner.', 'start': 1613.908, 'duration': 5.024}, {'end': 1620.947, 'text': "Actually, that's do we have.", 'start': 1620.026, 'duration': 0.921}, {'end': 1623.228, 'text': 'Yeah, we paste it in the HTML, so we must have it.', 'start': 1620.987, 'duration': 2.241}, {'end': 1625.569, 'text': 'So we have a div with the class of spinner.', 'start': 1623.668, 'duration': 1.901}, {'end': 1631.873, 'text': 'If I were to add a class of show manually and come over here and reload, you can see now it shows.', 'start': 1625.609, 'duration': 6.264}], 'summary': 'Sync function generates image request using prompt and size, showcasing spinner on html reload.', 'duration': 29.936, 'max_score': 1601.937, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1601937.jpg'}], 'start': 1275.188, 'title': 'Creating ui with html, js, and css', 'summary': 'Covers adding css and spinner effects, creating a ui with html and js, using poppins font, event listeners, form data validation, and asynchronous image request generation. it involves incorporating a spinner obtained from codepen and creating a show class for display and removing it for non-display.', 'chapters': [{'end': 1325.987, 'start': 1275.188, 'title': 'Adding css and spinner to the project', 'summary': 'Covers adding css to the project by creating a separate css file and incorporating a spinner obtained from codepen, which involves creating a show class for display and removing it for non-display.', 'duration': 50.799, 'highlights': ['Incorporating a spinner obtained from CodePen, which involves creating a show class for display and removing it for non-display.', 'Creating a separate CSS file for the project.', 'Pasting the CSS code for ease of implementation.']}, {'end': 1756.486, 'start': 1328.908, 'title': 'Creating a simple ui with html and javascript', 'summary': 'Covers the creation of a simple ui using html and javascript, including the use of poppins font, showcase area with form and image, event listeners, form data validation, and asynchronous image request generation with the spinner display.', 'duration': 427.578, 'highlights': ["Asynchronous image request generation with spinner display The function 'generateImageRequest' is used to asynchronously generate an image request, showing a spinner during the process.", "Event listener for form submission and form data validation An event listener is added to the form for submission, calling a function 'onSubmit' that includes basic form data validation and handling.", 'Description of HTML structure and elements The HTML structure includes the use of Poppins font, a showcase area with form and image, and the inclusion of style sheets and JavaScript files.']}], 'duration': 481.298, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1275188.jpg', 'highlights': ['Incorporating a spinner obtained from CodePen, involving creating a show class for display and removing it for non-display.', "Asynchronous image request generation with spinner display using the function 'generateImageRequest'.", 'Event listener for form submission and form data validation added to the form.', 'Creating a separate CSS file for the project.', 'Pasting the CSS code for ease of implementation.', 'Description of HTML structure and elements including the use of Poppins font.']}, {'end': 2178.17, 'segs': [{'end': 1786.009, 'src': 'embed', 'start': 1758.268, 'weight': 1, 'content': [{'end': 1764.494, 'text': "As a lot of, you know, with the fetch API, if we get like a 400, then that doesn't automatically throw the catch.", 'start': 1758.268, 'duration': 6.226}, {'end': 1766.075, 'text': 'So we have to check for that.', 'start': 1764.614, 'duration': 1.461}, {'end': 1771.34, 'text': "So right after the response, which ends right here, I'm going to check and say if.", 'start': 1766.516, 'duration': 4.824}, {'end': 1778.283, 'text': "And there's on the response object there's a value for OK.", 'start': 1772.839, 'duration': 5.444}, {'end': 1786.009, 'text': "And we want to check to see if we're not OK because that'll be false if we get a 400 response and not a successful one.", 'start': 1779.364, 'duration': 6.645}], 'summary': 'When using the fetch api, a 400 response does not automatically throw an error, requiring a manual check for success.', 'duration': 27.741, 'max_score': 1758.268, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1758268.jpg'}, {'end': 2050.953, 'src': 'embed', 'start': 2015.974, 'weight': 0, 'content': [{'end': 2019.398, 'text': "And that's going to be 512 by 512 because I chose medium.", 'start': 2015.974, 'duration': 3.424}, {'end': 2021.38, 'text': "Let's try something else.", 'start': 2020.258, 'duration': 1.122}, {'end': 2022, 'text': "We'll say cat.", 'start': 2021.4, 'duration': 0.6}, {'end': 2040.321, 'text': "with blue eyes and a hat, and let's make that one large and large images seem to take a little longer.", 'start': 2023.843, 'duration': 16.478}, {'end': 2042.243, 'text': 'so there we go, cat with blue eyes and a hat.', 'start': 2040.321, 'duration': 1.922}, {'end': 2050.953, 'text': "Now, obviously, the more training data it has, the more you know, the more spot on it's going to be where you start to run into issues.", 'start': 2043.447, 'duration': 7.506}], 'summary': 'Generated 512x512 image of a cat with blue eyes and a hat, and noted that larger images take longer to create.', 'duration': 34.979, 'max_score': 2015.974, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE2015974.jpg'}, {'end': 2165.295, 'src': 'embed', 'start': 2109.292, 'weight': 2, 'content': [{'end': 2115.26, 'text': "Alright so it doesn't actually say Google but it comes close with the colors and you know the lettering and stuff.", 'start': 2109.292, 'duration': 5.968}, {'end': 2124.271, 'text': "So, yeah, I mean, what's cool is that these are these are being created, right? These aren't images that no person actually went in and created this.", 'start': 2116.309, 'duration': 7.962}, {'end': 2129.053, 'text': "It's being created by the machine, by code, which I think is really neat.", 'start': 2124.611, 'duration': 4.442}, {'end': 2132.834, 'text': "And I think that it's it's going to get better as time goes on.", 'start': 2129.833, 'duration': 3.001}, {'end': 2135.894, 'text': "But let's try something that's kind of easy again.", 'start': 2133.454, 'duration': 2.44}, {'end': 2142.696, 'text': "We'll say, I don't know, a cow dancing on a rainbow.", 'start': 2135.954, 'duration': 6.742}, {'end': 2147.769, 'text': 'while juggling.', 'start': 2145.848, 'duration': 1.921}, {'end': 2150.711, 'text': 'So a bunch of descriptions in there.', 'start': 2148.31, 'duration': 2.401}, {'end': 2152.212, 'text': 'See how close it comes.', 'start': 2151.212, 'duration': 1}, {'end': 2157.036, 'text': 'All right.', 'start': 2156.716, 'duration': 0.32}, {'end': 2158.037, 'text': "So that's pretty good.", 'start': 2157.076, 'duration': 0.961}, {'end': 2161.699, 'text': 'So the cows dancing on a rainbow while juggling.', 'start': 2158.677, 'duration': 3.022}, {'end': 2162.82, 'text': "I think that's pretty good.", 'start': 2161.719, 'duration': 1.101}, {'end': 2165.295, 'text': "so that's it, guys.", 'start': 2164.053, 'duration': 1.242}], 'summary': 'Machine-generated images, like a cow dancing on a rainbow while juggling, are being created by code and are expected to improve over time.', 'duration': 56.003, 'max_score': 2109.292, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE2109292.jpg'}], 'start': 1758.268, 'title': 'Handling fetch api responses, updating dom with image url, and ai image generation and recognition', 'summary': 'Focuses on handling fetch api responses, updating the dom with image urls, and ai image generation and recognition. it includes checking for 400 responses, updating the ui, setting image sources, and discussing the impact of ai training data on accuracy and limitations.', 'chapters': [{'end': 1895.139, 'start': 1758.268, 'title': 'Handling fetch api responses', 'summary': 'Focuses on handling fetch api responses, including checking for a 400 response, retrieving and logging data, and updating the ui accordingly.', 'duration': 136.871, 'highlights': ['The chapter emphasizes the importance of checking for a 400 response in the fetch API, as it does not automatically throw the catch, ensuring proper error handling and user feedback.', "It highlights the process of retrieving and logging data from the response using 'await response.json()', demonstrating the practical implementation of handling successful responses.", 'The transcript also covers updating the UI by removing the spinner and displaying appropriate error messages, enhancing the user experience during API interactions.']}, {'end': 2015.334, 'start': 1897.04, 'title': 'Updating dom with image url', 'summary': 'Covers updating the dom with the image url received from the backend, including setting the image source, removing a spinner, and clearing the message and image upon submission.', 'duration': 118.294, 'highlights': ['Setting the image source to the image URL received from the backend and removing the spinner', 'Clearing the message and image upon submission']}, {'end': 2178.17, 'start': 2015.974, 'title': 'Ai image generation and recognition', 'summary': 'Discusses the use of ai to generate images based on text descriptions, noting the impact of training data on accuracy and the potential for improvement over time, as well as the challenges and limitations, such as the search accuracy for specific names and concepts.', 'duration': 162.196, 'highlights': ['The more training data the AI model has, the more accurate its image generation will be, but issues arise when limited data is available, impacting the search accuracy for specific names and concepts.', 'AI-generated images are created by the machine using code, showcasing the potential for improvement over time and representing cutting-edge technology.', 'The AI tool showed good accuracy in generating an image of a cow dancing on a rainbow while juggling, demonstrating the capability of the model to translate complex text descriptions into visuals.', "Challenges and limitations exist in the AI tool's search accuracy for specific names and concepts, as demonstrated by the difficulty in generating images related to the name 'Google' and the concept of 'web development.'"]}], 'duration': 419.902, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/fU4o_BKaUZE/pics/fU4o_BKaUZE1758268.jpg', 'highlights': ['The more training data the AI model has, the more accurate its image generation will be, but issues arise when limited data is available, impacting the search accuracy for specific names and concepts.', 'The chapter emphasizes the importance of checking for a 400 response in the fetch API, as it does not automatically throw the catch, ensuring proper error handling and user feedback.', 'AI-generated images are created by the machine using code, showcasing the potential for improvement over time and representing cutting-edge technology.', 'The AI tool showed good accuracy in generating an image of a cow dancing on a rainbow while juggling, demonstrating the capability of the model to translate complex text descriptions into visuals.']}], 'highlights': ["The web app uses OpenAI's DALLĀ·E system to generate realistic images from text inputs using machine learning and AI.", 'It utilizes node.js for the backend and HTML, CSS, and vanilla JavaScript for the frontend.', "The app can generate images based on natural language descriptions, such as 'a frog on a computer drinking coffee,' with the ability to choose the size of the image.", 'Setting up an Express server with nodemon as a dev dependency', 'Creating environment variables and initializing Express', 'Utilizing the OpenAI library for asynchronous processing', "Setting the error code to 400 and providing a message like 'The image could not be generated' is essential for error handling.", 'Incorporating a spinner obtained from CodePen, involving creating a show class for display and removing it for non-display.', 'The more training data the AI model has, the more accurate its image generation will be, but issues arise when limited data is available, impacting the search accuracy for specific names and concepts.']}