python-flask.yml

features:
  - python stable
nginx:
# --- Your static files can be anywhere but usually it's in app/static ---
  root: public_html/app/static
  passenger:
    enabled: "on"
#   --- Sets $PWD. default value is parent of root ---
    app_root: public_html
#   ---- sets WSGI_ENV ----
    app_env: "production"
#  --- Use installed python instead of system ---
    python: .pyenv/shims/python
    app_type: python
#   --- WSGI start file (we write it below) ---
    startup_file: wsgi.py
    env_var_list:
#   --- Do not write .pyc files ---
    - PYTHONDONTWRITEBYTECODE=1

commands:
  - pip install -r requirements.txt || pip install flask

#   --- Write WSGI start file ---
  - filename: wsgi.py
    content: | 
      # We expect you export app variable in app/__init__.py or app.py!
      from app import app as application
      application.config.from_file(".env")
  - "[ -f .env ] || touch .env"

#  --- Write envars for Auth + HTTPS config + Flask-SQLAlchemy SQLITE ---
  - sed -ri '/^(SECRET_KEY|SESSION_COOKIE_SECURE|PREFERRED_URL_SCHEME|SQLALCHEMY_DATABASE_URI)=/d' .env
  - echo "SECRET_KEY=$(openssl rand -base64 32)" >> .env
  - echo "SESSION_COOKIE_SECURE=True" >> .env
  - echo "PREFERRED_URL_SCHEME=https" >> .env
  - echo "SQLALCHEMY_DATABASE_URI=sqlite:////$HOME/db.sqlite" >> .env