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Should You Dockerize your application?
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##Looks like we found a thief monkey By the way, I liked the trick how you reached till here. You have a good sense of humor. You will improve a lot if you join our course with this passion.
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00:00:00 And finally, let's discuss the elephant in the room.
00:00:03 Should you or should you not dockerize your specific application?
00:00:08 In my opinion, it's worth considering dockerization for any application, be it frontend, backend, or full stack.
00:00:16 Let me tell you why.
00:00:17 If you have big and complex apps, they usually have many moving parts like databases, servers, and APIs.
00:00:25 Docker packages everything an app needs into a standardized unit or a container, making it easier to manage.
00:00:33 Imagine having a large e-commerce platform with a web server, a database, and multiple APIs for payment, order processing,
00:00:42 and inventory management.
00:00:44 Dockerizing each component ensures that they work together seamlessly and can be easily deployed or scaled as needed.
00:00:52 Similarly, if you have an app built from many small pieces or microservices, which involves breaking an app into small independent features,
00:01:01 Docker containers are perfect for isolating and managing these services separately.
00:01:06 For example, if you're building a social media application, you may have separate microservices for user authentication,
00:01:14 posting content, handling notifications, and managing connections.
00:01:18 Dockerizing each microservice allows independent development, testing, and scaling of these services without affecting the entire application.
00:01:29 Another reason to Dockerize any app is that it just works everywhere.
00:01:34 Our development team at JSM uses different operating systems, Windows, macOS, and Linux.
00:01:40 And without Docker, setting up the development environment on each machine can lead to inconsistencies.
00:01:47 Docker ensures that every developer, regardless of their operating system, works in the same containerized environment, minimizing compatibility issues.
00:01:57 If that's what you're looking for, similar to Uber, you can Dockerize your app and reduce the development hassle.
00:02:04 Docker also allows for easy scaling.
00:02:07 Using Docker makes it simple to handle more users.
00:02:11 How?
00:02:11 Well, imagine you're running a popular online streaming service.
00:02:15 As more users sign up, you need to scale your video transcoding service.
00:02:20 Docker allows you to easily replicate and deploy additional transcoding containers, ensuring smooth scaling without disrupting the entire application.
00:02:30 And with Docker, updates happen smoothly.
00:02:33 Imagine you manage a web application with frequent updates.
00:02:36 Without Docker, deploying update might require manually adjusting configurations in the server, which takes time and will most likely break your app.
00:02:46 With Docker, you can update your app consistently without worrying about breaking dependencies, ensuring that changes go live smoothly.
00:02:54 Docker also simplifies teamwork because it provides a consistent environment for all developers.
00:03:01 For example, if you're working on a machine learning project, Docker ensures that every team member, regardless of their local setup,
00:03:08 works with the same environment containing the necessary libraries, dependencies, and configurations.
00:03:14 Everyone works in the same containerized setup, reducing compatibility issues, and making collaboration that much smoother.
00:03:22 And finally, old apps, new tricks.
00:03:25 Even for older applications, Docker can breathe a new life.
00:03:30 It helps in managing dependencies, isolating the application, and making it more compatible with modern systems.
00:03:36 Imagine you're working on a big tech that is using a big, scary legacy monolithic application written in an older programming language or version.
00:03:45 Dockerizing that application allows you to isolate the application and its dependencies, making it easier to maintain from your environment where you might
00:03:54 be using the latest versions of runtimes or languages.
00:03:58 Almost every company uses Dockerized applications.
00:04:01 Whether we're dealing with a small or big application, Docker can help solve problems or stop them from happening in the first place.
00:04:09 So no matter what kind of app you're working on, using Docker has become a smart move to make things smoother and avoid issues.
00:04:18 And congratulations.
00:04:20 I truly do mean it.
00:04:21 You've just learned Docker, an in-demand engineering tool.
00:04:24 As a thank you for making it this far, for committing to learning and becoming a better developer, I want to give you a reward.
00:04:31 I'm holding a Docker Swag Giveaway where we'll give away some special merch to dedicated developers that came to the end of the course.
00:04:39 To learn more and take part, just click the link in the description.
00:04:43 Winners will be notified by email.
00:04:46 And if you reach this point, you've done something that only few developers do.
00:04:50 You can now confidently talk about Docker, its main concepts and best practices, and most importantly, you can Dockerize any modern frontend,
00:05:00 backend, and full stack app.
00:05:02 I'm proud of you.