version: '3.9'

x-dls-variables: &dls-variables
  DLS_URL: localhost  # REQUIRED, change to your ip or hostname
  DLS_PORT: 443  # must match nginx listen & exposed port
  LEASE_EXPIRE_DAYS: 90
  DATABASE: sqlite:////app/database/db.sqlite
  DEBUG: false

services:
  dls:
    image: collinwebdesigns/fastapi-dls:latest
    restart: always
    environment:
      <<: *dls-variables
    volumes:
      - /opt/docker/fastapi-dls/cert:/app/cert  # instance.private.pem, instance.public.pem
      - db:/app/database
    entrypoint: ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--app-dir", "/app", "--proxy-headers"]
    healthcheck:
      test: ["CMD", "curl", "--fail", "http://localhost:8000/-/health"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s
  proxy:
    image: nginx
    ports:
      # thees are ports where nginx (!) is listen to
      - "80:80"  # for "/leasing/v1/lessor/shutdown" used by windows guests, can't be changed!
      - "443:443"  # first part must match "DLS_PORT"
    volumes:
      - /opt/docker/fastapi-dls/cert:/opt/cert
    healthcheck:
      test: ["CMD", "curl", "--insecure", "--fail", "https://localhost/-/health"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s
    command: |
      bash -c "bash -s <<\"EOF\"
      cat > /etc/nginx/nginx.conf <<\"EON\"
      daemon off;
      user root;
      worker_processes auto;
      
      events {
        worker_connections 1024;
      }
      
      http {
        gzip on;
        gzip_disable "msie6";
        include /etc/nginx/mime.types;
      
        upstream dls-backend {
          server dls:8000;  # must match dls listen port
        }
      
        server {
          listen 443 ssl http2 default_server;
          listen [::]:443 ssl http2 default_server;
      
          root /var/www/html;
          index index.html;
          server_name _;
      
          ssl_certificate "/opt/cert/webserver.crt";
          ssl_certificate_key "/opt/cert/webserver.key";
          ssl_session_cache shared:SSL:1m;
          ssl_session_timeout  10m;
          ssl_protocols TLSv1.3 TLSv1.2;
          # ssl_ciphers "ECDHE-ECDSA-CHACHA20-POLY1305";
          # ssl_ciphers PROFILE=SYSTEM;
          ssl_prefer_server_ciphers on;
      
          location / {
            proxy_set_header Host $$http_host;
            proxy_set_header X-Real-IP $$remote_addr;
            proxy_set_header X-Forwarded-For $$proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $$scheme;
            proxy_pass http://dls-backend$$request_uri;
          }
      
          location = /-/health {
            access_log off;
            add_header 'Content-Type' 'application/json';
            return 200 '{\"status\":\"up\",\"service\":\"nginx\"}';
          }
        }
      
        server {
          listen 80;
          listen [::]:80;
      
          root /var/www/html;
          index index.html;
          server_name _;
      
          location /leasing/v1/lessor/shutdown {
            proxy_set_header Host $$http_host;
            proxy_set_header X-Real-IP $$remote_addr;
            proxy_set_header X-Forwarded-For $$proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $$scheme;
            proxy_pass http://dls-backend/leasing/v1/lessor/shutdown;
          }
      
          location / {
            return 301 https://$$host$$request_uri;
          }
        }
      }
      EON
      nginx
      EOF"

volumes:
  db: