शैडोइंग अभ्यास: How I deploy serverless containers for free - वीडियो के साथ अंग्रेजी बोलना सीखें
अभ्यास मोड चुनें
हर मोड पूरी स्क्रीन का अभ्यास कक्ष खोलता है।
78 वाक्य
यदि वाक्य बहुत छोटे या लंबे हों, तो समायोजित करने के लिए Edit पर क्लिक करें।
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One of the most annoying things in the world is when you're trying to steal an image from the internet, and it looks like it's going to have a transparent background, but when you download it, it looks like this.
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Luckily, nowadays there are all kinds of good tools for removing backgrounds from images, like RemoveBG or the new AI tools in Photoshop.
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Now if you watch my videos, you'll notice I use a lot of images with the background removed, and it's extremely inefficient to have to go into Photoshop, upload an image, remove its background,
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and then re-export it and bring it back into Adobe Premiere.
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As a developer, this inefficiency is totally unacceptable, and my only option was to build my own app from scratch.
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In today's video, I want to show you how I built this background remover from scratch, but more importantly, I want to talk about why I dockerized it, and explain how I deployed it to the cloud for free.
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Earlier this week on the main channel, I made a Docker video, which you should definitely check out first if you have no idea what Docker is, but that video was sponsored by Docker.
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This video is not sponsored.
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I don't work with sponsors very often, but when I do, it's usually with tools that I have first-hand experience with, and Docker is something I use all the time.
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By containerizing this background remover, which is just a Python web app, I'm able to run it locally with the click of a button, and also deploy it to the cloud with a single command.
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Without Docker, I would have to go into my terminal, make sure I have the right Python dependencies installed, and then run the app in the background every time I want to use it.
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And on top of that, deployment to the cloud would be a lot more complex, and also more expensive.
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First I want to talk about the app itself.
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The reason I built this app in Python, and not my typical choice of JavaScript, is that there's a python package called removeBG,
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which is based on the U2net model to magically remove the background with AI.
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Oh man, I just realized I said the A word again.
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I guess we have to reset the counter, but really this video has nothing to do with AI.
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The model itself is heavily abstracted, to the point where all we do is open an image with Pillow, call the remove function from this library, which returns a new image with the background removed.
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It's an extremely practical use case for image models, but I don't want to use it from the terminal.
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I want to be able to drag and drop images directly from my browser into it, so I can then drag the result directly back into my Adobe Premiere timeline.
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To do that, I built a little app with Flask, which creates a single HTTP route that handles both git and post methods.
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Git displays the initial webpage, then when we drag an image into that webpage, it makes a post request, which calls that remove background function.
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Now the website itself is rendered in this index.html file, which uses nothing but plain JavaScript and CSS.
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There's an HTML form with a file input, then when that form is submitted, it makes a post request to the root URL.
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I also wrote a little bit of JavaScript here that will automatically submit the form when a file is dropped onto it, just to make the process even more efficient.
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That's the entire app, and now I can run it from the terminal with the Python command.
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But now here's where Docker comes in.
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I want to be able to use this code on multiple computers, and I also want to deploy it to the web
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so I could even use it from my phone or some other device.
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And I want everyone in the world to have the opportunity to use my awesome invention.
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First, you'll need to have Docker installed.
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I'm doing that through Docker Desktop, but in the past I've used tools like Podman, which is developed by Red Hat and is also a good option.
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But now we need to go into our code and create a Docker file.
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The Docker file itself is very simple.
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It starts with the official Python base image, creates a working directory for the app, installs the dependencies, copies the code, exposes a port, and then runs the app.
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The only unusual thing I'm doing here is taking the actual AI model weights and copying them into the Docker image.
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The weights are about 175 megabytes, and doing this prevents the actual Python package from downloading asynchronously, which will slow things down in general.
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Now let's build the image and make sure to give it a tag.
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That'll take a minute, then if we go into Docker Desktop, we should see it here in the images panel.
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To actually run the image as a container, we simply hit the play button, and make sure to map the port to something we can use on localhost.
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And now the app is always ready to go in the background with Docker.
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Pretty cool, and that's how I use this tool 90% of the time, but I also want to show you how to deploy it to the web.
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There's a bunch of different options for deploying containers to the cloud, and there's also some free options if you're cheap like me.
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The most well-known option is Elastic Container Engine on AWS with a related service called Fargate
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that can deploy your container in a serverless way, which means it will scale down to zero when it's not in use
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and then scale back up once the requests start coming in.
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You've also got services like the app platform on DigitalOcean, which starts at $0 a month, but my go-to for deploying random utilities like this is Google Cloud Run.
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To deploy something that's dockerized, though, you first need to get your image on a registry.
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Every cloud has one built in, and on Google, it's called Artifact Registry.
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What you do is create a repository for your images that'll store them in a specific region, and then you can copy this link up here, which can be used as a tag on your images,
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so it knows where to upload them.
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Let's go into the terminal and use the docker tag command to tag our existing image with this namespace.
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Once that's done, we can use the docker push command to upload it to Google Cloud.
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Now, one caveat is that of course you need a Google Cloud account, and you'll also need the gcloud CLI tool installed on your system.
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But once that's done, you should then be able to see the image in Google Cloud.
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One nice thing about this is that if you want to use this image on a different machine, you can simply pull it from this repo.
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But now let's head over to Cloud Run and deploy it to the internet.
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Create a new service, then the first thing you'll do is select that container image.
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Now from here we have a bunch of configuration options, but if you want to make this a public web service, the most important one is to allow unauthenticated invocations.
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That means anybody can access it from a public API or URL.
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The next option is CPU allocation.
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One problem with serverless deployments is that when the app is not being used, it scales down to zero, which is great because it means you're not paying for anything, but the tradeoff is a cold start,
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which means it takes like four or five seconds for the thing to boot up when the next request comes in.
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In my case, that's not a problem, but if you want to eliminate cold starts, you can make sure that the CPU is always allocated.
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It's just going to cost more because you'll always be burning through these free CPU seconds every month.
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Now from there, let's go down to the container options, and one thing we'll also want to change here is the allocated memory for the container.
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It takes a lot of memory to run the AI model, so let's bump this up to two gigabytes.
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One other thing I want to do is also decrease the amount of auto-scaling this thing can do.
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Instead of 100 maximum instances, I'm only going to allow three.
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We just don't need to be prepared to scale for this type of app, but it's nice to have that option if you're building something viral.
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Let's go ahead and deploy it, and a few minutes later, we should have a URL where we can actually access our Python app on the web.
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Pretty awesome, and one huge benefit of having this all dockerized is that our code is portable, so if we want to get off Cloud Run, we could take that to any other cloud service and deploy it there just as easily.
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And that's basically all there is to it.
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There's a ton of other stuff we could talk about when it comes to Docker and Cloud run, but let me know what you want to see next in the comments.
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I do have one update for Fireship Pro members.
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I'm currently finishing up a new Stripe course that's designed specifically for people building software as a service products.
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More details to come on that soon.
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Thanks for watching, and I will see you in the next one.
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पहला प्रभाव
यह वीडियो एक उपयोगी संसाधन है जो अंग्रेजी बोलने के अभ्यास के लिए उपयुक्त है। बातचीत में तकनीकी विषयों पर चर्चा की गई है, जिससे यह स्पष्ट और संक्षिप्त तरीके से प्रस्तुत किया गया है। संवाद सरल और स्पष्ट है, जो अंग्रेजी भाषा सीखने वालों को सुनने और समझने में मदद करता है। इस वीडियो से अंग्रेजी सीखें और अपने बोलने की क्षमताओं में सुधार करें।
इसकी बारीकियों को समझें
वीडियो में कई वाक्य हैं जो स्वाभाविक रूप से सुनाई देते हैं। उदाहरण के लिए:
- “अब यदि आप मेरे वीडियो देखते हैं, तो आप नोटिस करेंगे कि मैं कई छवियों का उपयोग करता हूं जिनका बैकग्राउंड हटा दिया गया है।” यह वाक्य स्पष्ट और सीधा है, जिससे श्रोता को समझ में आता है कि लेखक क्या कहना चाहता है।
- “बिना Docker के, मुझे अपने टर्मिनल में जाना पड़ेगा।” इस वाक्य में क्रियाएं सरल हैं और यह तकनीकी जानकारी को भी सहजता से प्रस्तुत करता है।
- “मैंने Flask के साथ एक छोटी सी ऐप बनाई है।” यह वाक्य संक्षिप्त और प्रभावी है, जो दर्शाता है कि लेखक अपने विचारों को स्पष्टता से प्रस्तुत कर रहा है।
इन वाक्यों की संरचना और सरलता उन्हें प्राकृतिक बनाती है। इस तरह की बातचीत को सुनकर आप अपनी उच्चारण और प्रवाह में सुधार कर सकते हैं।
अभ्यास की दिनचर्या
इस वीडियो में वर्णित संवाद का अनुसरण करना बहुत फायदेमंद हो सकता है। आप निम्नलिखित चरणों का पालन करके अपने बोलने के कौशल में सुधार कर सकते हैं:
- वीडियो को ध्यान से सुनें।
- हर वाक्य को दोहराएं, आवाज़ को रिकॉर्ड करें।
- अपने उच्चारण और प्रवाह की तुलना वीडियो के साथ करें।
- आवाज़ के साथ तालमेल बिठाते हुए संवाद को दोबारा दोहराएं।
इस प्रक्रिया को नियमित रूप से करने से आप अपनी अंग्रेजी बोलने की क्षमता में सुधार कर सकते हैं। shadowspeak तकनीक का उपयोग करके अपने बोलने में आत्मविश्वास बढ़ाएं और अपनी अंग्रेजी बोलने का अभ्यास करें।
इस वीडियो का व्याकरण
वक्ता जिन संरचनाओं का सबसे अधिक प्रयोग करता है, वीडियो के असली शब्दों के साथ:
| संरचना | वीडियो में |
|---|---|
| Passive voice be + past participle — ज़ोर इस पर कि क्या होता है, न कि कौन करता है | was sponsored · is not sponsored · is based |
| Relative clauses who / which + उपवाक्य — व्यक्ति या वस्तु के बारे में अतिरिक्त जानकारी | remover, which is · Podman, which is · way, which means |
शैडोइंग तकनीक क्या है?
शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।