compose.yml

services:
  web:
    build: .
    ports:
      - "80:80"
      - "443:443"
    environment:
      # Random 128+ char hex string (`openssl rand -hex 64`)
      - SECRET_KEY_BASE=${SECRET_KEY_BASE}

      # Background process/housekeeping
      - SOLID_QUEUE_IN_PUMA=true

      # Your domain (e.g., `newsletter2feed.example.com`)
      - APP_HOSTNAME=${APP_HOSTNAME}

      # Same as `APP_HOSTNAME` to enable automatic HTTPS via Let's Encrypt
      - TLS_DOMAIN=${APP_HOSTNAME}

      # From Mailgun dashboard: Settings → Security & Users → API security
      - MAILGUN_INGRESS_SIGNING_KEY=${MAILGUN_INGRESS_SIGNING_KEY}
    volumes:
      - storage:/rails/storage
    restart: unless-stopped

volumes:
  storage: