How to create a great dev environment with Docker

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How to create a great local Python development environment with Docker. Learn about Docker Volumes, Docker Compose, how to debug in containers, and more.
Repo: github.com/patrickloeber/pyth...
Timeline:
00:00 - Introduction
02:03 - Why Docker?
04:02 - Dockerize an app
10:25 - Immediate file changes (Docker volumes)
13:08 - Use IDE in Docker container
17:38 - Docker Compose
25:54 - Debug inside Docker container
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Опубликовано:

1 июн 2024

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Комментарии : 182

@heyydev_1 Месяц назад

I was just about to comment how great this video is and I saw I commented the same a year ago 😂 Thanks again. Now I'm a senior developer and these things keep been high value.

@yaksvk Год назад

Thank you Patrick! This was one of the clearest, straight-forward and concise introductions to Docker for people who actually do development and not just devops/admin stuff. Very helpful!

@scriptkiddie100 Год назад

Thank you for this. Very comprehensible and through, ideal for a beginner tutorial.

@heyydev_1 Год назад

Amazing explanation. Even though my native language is not English, this is the best tutorial I've found and the one that I understood the best. Thanks!

@techatival Год назад

So far my favourite introduction to Docker. Thank you!

@Javoke Год назад

I wanna thank you for aaaaalll the videos you share with us. Me, as a non-english-native person, I appreciate the rythm and accent in your voice, so we can understand exactly what you are saying. Also,, the explanation is very clear !! Thank you so much!!!

@NileGold Год назад

This was so simple, I didn't even realise that the video was 30 min :), thank you for this

@brendan8915 Год назад

This is the video that has finally got me over the line for using Docker. I needed to upskill this for work, my sincerest gratitudes to you. Thank you so much.

@mogyiman 5 месяцев назад

Awesome content and clear presentation; special thanks for the debugger setup!

@dimahodan232 Год назад

best on-point video I have seen in the last few months on YT.

@sixpooltube 8 месяцев назад

Amazing tutorial. Fast and easy to understand.

@scigama71 Год назад

Superb. Thank you. This was very clean and straight to the point. Subbed.

@brandonrich4956 Год назад

Thank you! Excellent video. Easy to follow.

@AlexCaranha Год назад

Good Job! Amazing tutorial, Patrick. Thanks a lot!

@DenisRasulev Год назад

Thanks a lot for the great, short and to the point video with excellent explanations!

@tamirsalem76 2 месяца назад

Brilliant tutorial, concise yet very complete.

@NavneetaSinha Год назад

Thank You so much Patrick for this vodeo, this was the much needed video for me right now

@ronjones1587 2 месяца назад

This is all I need and you gave it perfectly ! Thank you very much !

@GrayCo Год назад

Great video and impressive understanding of the subject matter.

@UnUnkn0w Год назад

great video, thanks! a lot of value for 30 minutes !!

@cexploreful Год назад

Wow i wanted to learn Docker! Thx again Patrick!

@tedlazar Год назад

Dear Patrick, thanks a lot for the great tutorial !!!

@dogbusiness5201 Год назад

Thanks for the video. Just started the course on Docker so this one was extremely relevant

@Mutombo71 Год назад

use podman instead, it is the future

@ujefmalek77 Год назад

आपके वीडियो सुपर कूल और अद्भुत हैं। मुझे यह बहुत पसंद आया. धन्यवाद

@sabaokangan Год назад

Thank you so much for sharing this with us ❤️‍🔥

@JiriPocta 4 месяца назад

Thank you very much, simple and easy to understand.

@baopeng Год назад

Very detailed! Cool stuff!

@jasynskyi 6 месяцев назад

Great explanation! thank you for your work

@murtadha96 Год назад

Brilliant! Thank you for this video

@polydeuces01 11 месяцев назад

Great Demo I even managed to to do it on my windows machine.

@chineduezeofor2481 Год назад

Excellent tutorial!

@navneetchourasiabgt Год назад

Great content dude 😎

@vengtCent Год назад

Hi Patrick, thanks for this great tutorial. Do you have any resources for setting up this environment with pycharm?

@vivarantx Год назад

thanks patrick , you are a genius!

@mohssineserraji1098 6 месяцев назад

Thank you for the amazing tuto

@angtranhai6457 Год назад

Very helpful sir!

@janaeshkrish Год назад

Nicely done 🎉

@vadymesch2267 2 месяца назад

Great one!❤‍🔥❤‍🔥❤‍🔥

@MohammadMahdian888 Год назад

Awesome tutorial

@brennenherbruck8740 Год назад

Devcontainers have prebuilt configurations that are *much* simpler and gives your container superpowers with devcontainer feautres (like docker-in-docker)

@Lexaire Год назад

Yes, using non-dev images like he showed is an awful dev experience. Much better to use the premade ones for development, and then custom dockerfiles just for final testing and deployment.

@madferretx Год назад

Can you give examples of good premade dev environment? anything for javascript?

@madferretx Год назад

@@Lexaire Can you give good examples of premade dev environment? one for javascript? thanks

@muxahx3096 Год назад

agreed + you can actually debug in container (use break points )

@chriskeo392 11 месяцев назад

@@Lexaireneed more!

@timkochanski Год назад

Great tutorial. Is anything additional required when docker compose yaml references multiple containers forming a network? Can I just connect to my UI container and debug through all the other referenced containers as if they were just imports and I had justmycode set to false? Or do we need to edit other container docker files... Maybe adding port 5678 for example?

@RNikSan Год назад

Super, thanks a lot!

@ventin75 Год назад

exactly what i needed

@BrettKromkamp Год назад

Great beginner tutorial. Thanks for this.

@danielk.2172 Год назад

Good tutorial! If anyone on Windows using Git bash having problems to see the reload of the local code, try mounting the volume with: -v /${PWD}:/code Apparently there is a POSIX path conversion that doesn`t convert correctly and ends up adding a ";C" at the end of the local path

@josephrobineau1662 Год назад

you sir are a good man

@guilhermemendes264 7 месяцев назад

Thanks bro I owe you a beer

@budmonk2819 7 месяцев назад

Thank you brother - I almost gave up before I decided to search through the comments.

@lawrencedoliveiro9104 Год назад

7:17 Having a list of strings is a good idea. This avoids having to pass a shell command, with all the possibilities for (mis)interpretation of special characters. Instead, you pass the command-line words directly to the program, as is.

@DanielStoehr203 Год назад

Hey Patrick, Thanks for the video. Do you know if developing inside docker Container is working With the community Edition of pycharm?

@chikken007 Год назад

Could we also setup the debugger with the suggested "fastapi" option of VSCode?

@datawolk Год назад

When you build the release container for distribution, will it strip out the vs code stuff? Or do you have to do this manually or isnt that necessary?

@FilSerge Год назад

You need just rebuild image with code updated. That's it.

@DanielF847 Год назад

Great tutorial and cool way to leverage containers! Have you found any methods for doing this using open-source or even source available tooling? :-/ Microsoft appears to have restricted the Docker and dev-environment extensions to their proprietary closed-source release of vscode (Microsoft visual studio code)... Great to see Microsoft back to their old tricks 😩

@lune0409ify Год назад

Thank you! :)

@AmodeusR Месяц назад

Very interesting video. Although it lacks some clarifications on the docker commands, this gap could be filled by ChatGPT helping me out understand what they were exactly. Thanks for the video

@alvarovs89 Год назад

Hi Patrick! I've been following you for a few months, and thanks for everything you share. Just a quick question, what do you use in the terminal of vs code that show you the suggested code? like autocompletion? thanks again :)

@abdullahsaid4765 Год назад

try zsh

@NostraDavid2 Год назад

I love the powerlevel10k wizard, that asks you which features / settings you want. Much easier than trying to customize bash until it looks like Zsh with p10k.

@elmarhinz3076 Год назад

In the moment of mounting the outside Volume, there should be similar code inside the container. (We know this, as we were able to run it without mounting the outside code.). I miss some words, how this conflict is solved. * What happens to the code inside the container when editing the mounted code? * Why do we copy the code at all, if we plan to mount it? * Wouldn't it make sense to throw an error message from inside, similar: "Error 501: The source volume was not mounted"? Otherwise duplicated code may lead to many mistakes by editing the wrong place. * Is there any standard or practice, how to handle this?

@FilSerge Год назад

> What happens to the code inside the container when editing the mounted code? it is substituted with anything new in project directory. > Why do we copy the code at all, if we plan to mount it? to be able to share it. You can commit all editing done to update the image.

@michaelestrinone2111 Год назад

@Patric - it will be a great learning video about the same subject but geared towards C# developers with either SQL Server as a backend or MySQL etc.

@DeathBean89 Год назад

I'm not a C# dev, but you could probably modify the Dockerfile to pull the image for the current .NET version and then RUN any commands to set up the environment. Then you could modify the docker-compose file and replace the redis service with a SQL Server or MySQL one. Forward the appropriate ports, make sure that your volumes are correct, and you should be good to go. I'm sure there are plenty of resources out there to get you going. Good luck!

@lawrencedoliveiro9104 Год назад

2:13 A container is actually _less_ than a whole VM. It’s a complete prepackaged userland, that runs under the same Linux kernel that is already installed on your machine. It is not actually an OS on its own.

@recaseng 26 дней назад

Thank you ^^

@FilSerge Год назад

That is cool to have all your dev workflow as Dockerfile and to build it whenever/wherever you want. But it's such pain in the ass not to forget installing zsh shell, all vs code extensions, etc. Tried to set it all for my ml project, but failed.

@igorlikholat5606 11 месяцев назад

brilliant tutorial! thank you I have a question.. I’m confused with how to debug worker command inside docer container, when it possible to run in bash console only? I’m going to be glad hearing your answer)

@timelschner8451 Год назад

Question: when you directly connected the IDE inside the cotainer, do you still need the mapping, since you are already in the IDE inside the container?

@patloeber Год назад

you probably still also want it on your machine and need a mechanism to persist the changes. But if, let's say you push your code from the container to Github, then you don't need the mapping

@timelschner8451 Год назад

I see and thanks for the informative video!

@tensorflow5330 Год назад

hello , as I know that docker volumes map the local machine folder Linux or MacOs is different to window 10/11. in windows 10/11 cannot be directly mapped to a local directory

@kimsanov 10 месяцев назад

At 12:46 when we attach volume - did main.py copied inside container according to Dockerfile instruction?

@commievoyager Год назад

Nice exploration! But could you do the same using just a docker-compose? Why do you prefer the way using Dockerfile? What benefits does it have?

@Remolhunter97 7 месяцев назад

Not sure what you mean, but you need multiple separate dockerImages, each for a different process, and then docker compose to organise all the different dockerImages you have, and run them all at the same time

@user-yy7el7vg8s 2 месяца назад

Hi, Thanks for this tutorial, it's great! I would like to do the same in pycharm - but it appears that docker-based envs are a premium-only feature. Is that correct or it's possible to do the same also with the community edition of Pycharm?

@Didanihaaaa 10 месяцев назад

is this different for Flask? Also could you show how to deploy a CNN model and make it work? how do you post an image to trigs the app? do you include the CNN model (sometimes it is heavy) into the image? what if it is big size? Bests

@ChedyChaaben Год назад

12:41 If you experience a problem when executing the command, try adding two double quotes like this : docker run --name fastapi-container -p 80:80 -d -v "$(pwd):/code" fastapi-image

@insolentflunkey 8 месяцев назад

Thank you!

@jeffiscowCS 6 месяцев назад

true hero

@anisyacoubi Год назад

thanks Patrick, am I the only one who's not getting anything when i run the command "docker run --name docher-container -p......". I've changed the port though to 8000:8000 due to an error on 80 but the localhost isn't accesible, any idea where i could be wrong please

@nguyenhieu6995 6 месяцев назад

I am quite new to docker. In the example at 21:00, there is a duplicate in command (Dockerfile and docker-compose), should it be duplicated like that or not?

@tt4m Год назад

Good♥️♥️💛شكرا

@mirwek 5 месяцев назад

Interesting, you are using Fastapi. How can you debug with debugpy Flask application in docker since you need to give security PIN?

@tonybengue 6 месяцев назад

Thanks for that tutorial sir 🔥 When I want to connect to my container throught Dev Containers, it opens the root folder instead of the code folder (thanks to workdir command in the Dockerfile), and I don't understand why.

@rahulmitra9476 Год назад

For those of you stuck at 12:18 take note that the brackets are curly brackets

@jasonnn12 Год назад

What's the extension used that suggests full command in the terminal? seems pretty handy

@przbadu Год назад

I use zsh-autosuggestions, is this is what you are looking for

@sadamabbasi1574 Год назад

Sir, What python IDE and autocomplete extensions you have used in Intermediate Python Course ? Kindly share

@Mathias-cq3zo Год назад

It is the one that's included with the python extension in VSC (the Python extension Patrick showed us)

@lawrencedoliveiro9104 Год назад

12:34 Does the COPY command in the Dockerfile become superfluous when you define a volume?

@ClAddict Год назад

Only if you don’t want to actually use the docker image in any production environment.

@sakkakuppi5637 Год назад

Why I am having 'ModuleNotFoundError/ when trying to import function from a file I created?

@elmarhinz3076 Год назад

Each time the container is rebuilt the editors extension have to be installed again. Here the workflow feels a little broken. Any best practice how to address with this? How to do it within a multi developer project?

@FilSerge Год назад

Yeah, such a bummer. You need to add some lines in Dockerfile for installing z-shell and vs code extensions.

@haithammaged987 Год назад

thanks🤩

@sseymour1978 Год назад

When using this approach you end up with 2 VScode projects open at the same time. And for some reason I can connect to debugger only from host VScode and not from container.

@hdcamsit2144 Год назад

@patloeber do you think it makes sense to develop python packages inside docker?

@cexploreful Год назад

i want to know it too

@sebastianmolitor4827 Год назад

Great video. Thank you for this fast foward track on "docker developing". But I have one stuoid beginner qestion: How do I get my changed code from inside the container? 🤔

@martinstojcevski9585 Год назад

You can always copy the code from the container. But in the video he is explaining about container volumes, which will mirror both local and the container code, so whatever is changed in the code of the container it will be mapped to the local code

@kimsanov 10 месяцев назад

Why at 9:00 in Dockerfile wi didn’t have to use EXPOSE instruction?

@albincr 6 месяцев назад

What about other langs like go or rust?? and it too much tied up with vscode? can we configure some other editors???

@mpsii Год назад

Can you provide an update on using podman or containerd? My company has prevented us from using Docker due to corporate licensing costs. I am using virtualbox/vagrant now, but do not like the "integration" of vagrant into virtualbox

@mpsii Год назад

@@mspajic My company has said "No" to docker due to licensing for company (not personal) use.

@mspajic Год назад

@@mpsii I think you didnt understand me, docker engine is free even for companies, just docker desktop (gui app) isnt, these arent the same things, CLI versions policy hasnt been changed. Read the docker subscription model on their official site. I even checked with my company, as we had the same situation, and I got green light after this explanation.

@mspajic Год назад

Ah I get it, sry I misunderstood you. Company isnt using docker anymore as a tool in general and you dont get anything by installing it on pc. Sry again, was just tryin to help :)

@IsayanBros Год назад

I have been using docker compose for project setup for years now and have been happy with it. However, as soon as I switched to an M1 Macbook, startup speeds have been pretty bad.

@FilSerge Год назад

Is it because m1? What have gone wrong?

@irondragon0385 Год назад

Would it be possible to do this for Visual Studio (not Code)?

@AkaThePistachio 3 месяца назад

Im having issues attaching to my running container, once connected im put inside an empty dir with no access to my code any advice?

@Mutombo71 Год назад

does this also work with podman?

@eliluong Год назад

can vscode connect to remote container on another host?

@ZIKAZIKA-nu4ih Год назад

12:57 My changes to code are not reflected unless I restart the container. Can you please suggest why is this ?

@jeffzzz7850 11 месяцев назад

I also have this problem.

@khanra17 Год назад

1st: pwd & cwd are different 2nd: doesn't install redis in the current container but starts a different container

@AmodeusR Месяц назад

For some reason even with the -v flag it didn't update the container, and it doesn't update even if I delete an recreate the container. Also, when I open VSCode in the running container, there's no folder opened, nor any actual python file. Any idea why?

@tiagobovolin Год назад

Attaching to running container opens Vs Code on an empty folder. How to I fix this?

@sakkakuppi5637 Год назад

Click File > Open Folder... and select the folder

@elhusseinali8934 Год назад

could you share with us the name of your vscode theme

@olivierwarnier969 8 месяцев назад

Hi, thank you I'm alone with problem in 14:30 ? : when I start VSCode in dev container "fastapi-container" I don't have any sources, and when I open folder VSCode re-open local version. Working on macOSX Ventura 13.5.2 - VSCode 1.82.3 latests version of Docker and dev container extensions

@kreten780 4 месяца назад

Same problem, there is an error when setting up the whole opening code inside of a container. Did you solve it? I am getting Error reading shell environment. Error: stream ended with:0 but wanted:9

@akshayboddhul 11 месяцев назад

Which vs code theme used?

@statuve9812 6 дней назад

I really like this way of developing, but I encoutered the problem that my code was trying to render something, that I couldn't see. Does anyone have a good solution for this kind of problem when the host system is windows 10?

@sjzz 11 месяцев назад

there is no git install in the container, how can I push to repo like that ?

@James-gr2ds 9 месяцев назад

I was wondering the same thing. When running in this setup what is the standard way to then use git? I assume it is to just install git inside the container and then go from there. You could install git with the Dockerfile (and maybe do some of the configuration) but it seems you would have to run through some of the git setup (such as auth with remote) everytime you rebuild the image? I would be very interested to hear what people do here?

@sjzz 9 месяцев назад

@@James-gr2ds ohh I did solved it by installing git when container is being created at first. It will work fine.