docker-compose.yml

# Simple Dockerfile example that deploys our app server and a web server for static files
# using the traefik reverse proxy.
version: '3.1'

volumes:
  # initialize nginx's static www files from the demoapp's `manage.py collectstatic`
  staticfiles: {}

services:
  traefik:
    image: traefik
    command: --api --docker
    ports:
      # only expose https to outside world
      - "443:443"   # SSL
      - "8080:8080" # Traefik dashboard
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - "$PWD/traefik/config/traefik.toml:/etc/traefik/traefik.toml"
      - "$PWD/traefik/certs/:/certs/"
    labels:
      - "traefik.enable=true"
    depends_on:
      - demoapp
      - nginx

  demoapp:
    image: myapp:latest
    hostname: demoapp
    extra_hosts:
      # alias to host.docker.internal
      - "oauth-dev.cuit.columbia.edu:192.168.65.2"
    environment:
      - DJANGO_DEBUG=false
      - OAUTH2_SERVER=https://oauth-dev.cuit.columbia.edu:8443
    labels:
      - "traefik.frontend.rule=Host:localhost;PathPrefix:/v1"
      - "traefik.port=9123"
    ports:
      - "9123:9123"
    volumes:
      - staticfiles:/var/www/html
    depends_on:
      - nginx

  nginx:
    image: nginx:latest
    hostname: webserver
    volumes:
      - staticfiles:/usr/share/nginx/html/static
    labels:
      # look for /openapi/* and /oauth2-redirect.html
      - "traefik.frontend.rule=Host:localhost;PathPrefix:/static,/openapi/,/oauth2-redirect.html"
      - "traefik.port=80"
    # If I try to mount staticfiles at /usr/share/nginx/html, nginx clobbers my files, so
    # mount at .../static and then symlink
    command: /bin/bash -c "cd /usr/share/nginx/html && ln -sf static/* . && exec nginx -g 'daemon off;'"