Question

How to skip Dockerfile when deploying to App Platform?

Posted May 3, 2021 772 views
DigitalOcean App PlatformFlask

I have a repo with Flask app which I copied from https://github.com/digitalocean/sample-flask.

For development purposes only, I’ve created a minimal Dockerfile.

Now, when I try to deploy the app to App Platform it tries to deploy it as Docker app, however I want to deploy it as Python app.

I’ve added .do/app.yaml and .do/deploy.template.yaml but no luck.

Just in case, here are my configs:

# app.yaml
name: backend
services:
- environment_slug: python
  github:
    branch: main
    deploy_on_push: true
    repo: simetrique/backend
  name: backend
  run_command: gunicorn --worker-tmp-dir /dev/shm --config gunicorn_config.py main:app


# deploy.template.yaml
spec:
  name: backend
  services:
  - environment_slug: python
    git:
      branch: main
      repo: https://github.com/simetrique/backend.git
    name: backend
    run_command: gunicorn --worker-tmp-dir /dev/shm --config gunicorn_config.py main:app

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1 answer

Hi @olegagapov

If you have a Dockerfile in your repo root, it will be prioritized when creating the app via the UI. This is something we’re working on improving but here are some options in the mean time:

  1. Rename Dockerfile to e.g. Dockerfile.prod then create the app via the UI.
  2. Create the app using doctl. In your repo, run: doctl app create --spec .do/app.yaml. Since you don’t set dockerfile_path in the spec, the Dockerfile will not be used.
  3. Since you have deploy.template.yaml, create the app via the Deploy to DO button flow: click here to create. Note that this won’t work if your repo is private. If you want to make use of Auto Deploy on Push you will need to replace the git: block in deploy.template.yaml with the github: block similar to app.yaml. So:
deploy.template.yaml
spec:
  name: backend
  services:
  - environment_slug: python
    github:
      branch: main
      repo: simetrique/backend
      deploy_on_push: true
    name: backend
    run_command: gunicorn --worker-tmp-dir /dev/shm --config gunicorn_config.py main:app