docker-compose.prod.yml

# Production n8n: Postgres + n8n + Caddy (automatic HTTPS).
# Usage on the server:  cp .env.example .env  →  edit .env  →  docker compose -f docker-compose.prod.yml up -d
services:
  postgres:
    image: postgres:17
    restart: unless-stopped
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
      interval: 10s
      timeout: 5s
      retries: 10

  n8n:
    image: docker.n8n.io/n8nio/n8n:${N8N_VERSION}
    restart: unless-stopped
    depends_on:
      postgres:
        condition: service_healthy
    environment:
      # Database
      DB_TYPE: postgresdb
      DB_POSTGRESDB_HOST: postgres
      DB_POSTGRESDB_PORT: 5432
      DB_POSTGRESDB_DATABASE: ${POSTGRES_DB}
      DB_POSTGRESDB_USER: ${POSTGRES_USER}
      DB_POSTGRESDB_PASSWORD: ${POSTGRES_PASSWORD}
      # Public URL (webhooks, forms, chat, OAuth redirects all use this)
      N8N_HOST: ${DOMAIN}
      N8N_PROTOCOL: https
      N8N_PORT: 5678
      WEBHOOK_URL: https://${DOMAIN}/
      N8N_PROXY_HOPS: 1
      # Encrypts stored credentials. Back it up; without it, credentials are unrecoverable.
      N8N_ENCRYPTION_KEY: ${N8N_ENCRYPTION_KEY}
      # Housekeeping
      GENERIC_TIMEZONE: ${TZ}
      TZ: ${TZ}
      N8N_RUNNERS_ENABLED: "true"
      EXECUTIONS_DATA_PRUNE: "true"
      EXECUTIONS_DATA_MAX_AGE: 336        # hours (14 days)
      N8N_DIAGNOSTICS_ENABLED: "false"
    volumes:
      - n8n_data:/home/node/.n8n
      - ./backups:/backups
    # Not exposed publicly; Caddy is the only entry point.
    expose:
      - "5678"

  caddy:
    image: caddy:2
    restart: unless-stopped
    depends_on:
      - n8n
    environment:
      DOMAIN: ${DOMAIN}
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
      - caddy_config:/config

volumes:
  postgres_data:
  n8n_data:
  caddy_data:
  caddy_config: