Debug Flask/FastAPI App in Docker with PyCharm

1. Clone flask project. (Credit: Ernst Haagsman)

➜ mkdir flask
➜ cd flask
➜ git clone https://github.com/ErnstHaagsman/flask-compose.git Cloning into 'flask-compose'...
remote: Enumerating objects: 35, done.
remote: Total 35 (delta 0), reused 0 (delta 0), pack-reused 35 Receiving objects: 100% (35/35), 6.49 KiB | 3.25 MiB/s, done. Resolving deltas: 100% (7/7), done.

2. Open project in Pycharm

3. Check Prerequisites Link

4. Configuring Docker: Link

5. Configuring Docker Compose as a remote interpreter Link

• Click on show All

• Click on + and select Docker Compose and wait while PyCharm starts your Docker-Compose configuration to scan and index

• Select Docker compose and click on OK.

7. Running your application under Docker-Compose Link

• Click on edit configuration,
• Select python Interpreter: Remote Python .... And click on Apply and ok

Before running the project Docker container status:

Run project by clicking on debug icon.

• Put debug points and access, http://localhost:5000

After project is running Docker container status:

Let me know in comment box if you want to know how to Run flask app in Debug mode in docker over ssh session, I will post article on that as well based on users response.

Note: For FastAPI also we can perfomr same step and run app inside docker and in debug mode.

Thank you.