Fastapi: [QUESTION] How can I change the default port 80 when using the Dockerfiles?

[SansDK]

Hi,

I'm trying to run two different instances of FastAPI in the same Kubernetes pod (different Docker containers), but I can't seem to find an easy way to change the default port 80 of the instances.

Obviously it is not possible to run 2 instances on the same port, so it would be easy if I could specify the wanted port in the Dockerfile or in the main.py file maybe.

Is it - in any way - possible to change the default port 80 while using the uvicorn-gunicorn-fastapi dockerfile?

Thanks!

[euri10]

https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#port

[SansDK]

@euri10 Since I'm using Kubernetes, I'm not calling Docker directly. I'm using a .yaml file for all configuration so I can't change options like that. However, since

-e PORT="8080"

is just a simple environment variable, I could try to add this variable to my yaml file. I'll update after trying.

[SansDK]

Fixed it by specifying

        env:
        - name: PORT
          value: '8081'

in my yaml file.

Might be something that could be added to the docs @tiangolo ? (here? https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#port)

[euri10]

glad it worked, i don't think it deserves an addition, -e and having an env
key in your yml be it kubernetes, swarm or docker-compose has the same
effect (or I dreamt too much today ?), there might be discrepancies in the
precedence order though.

On Thu, May 23, 2019 at 3:54 PM SansDK [e-mail] wrote:

Fixed it by specifying

    env:
    - name: PORT
      value: '8081'

in my yaml file.

Might be something that could be added to the docs @tiangolo
https://github.com/tiangolo ? (here?
https://github.com/tiangolo/uvicorn-gunicorn-fastapi-docker#port)

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[tiangolo]

Thanks a lot for your help here @euri10 !

I'm glad you solved your issue @SansDK . Thanks for reporting back and closing the issue.