# n8n 2.x · SINGLE mode · sized for 300 runs/day (peak ≈10 concurrent)
# Generated by the n8n Server Sizing Calculator · topology follows n8n-io/n8n-hosting
name: n8n
services:
  n8n:
    image: docker.n8n.io/n8nio/n8n:stable
    restart: unless-stopped
    ports:
      - "127.0.0.1:5678:5678"   # proxy handles the public side
    env_file: .env
    volumes:
      - n8n_data:/home/node/.n8n
    logging:
      driver: json-file
      options: { max-size: "10m", max-file: "3" }   # unrotated logs are the classic disk-killer
    depends_on:
      postgres:
        condition: service_healthy
  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      - POSTGRES_DB=n8n
      - POSTGRES_USER=n8n
      - POSTGRES_PASSWORD=change-me
    volumes:
      - pg_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U n8n"]
      interval: 10s
      retries: 5
    logging:
      driver: json-file
      options: { max-size: "10m", max-file: "3" }   # unrotated logs are the classic disk-killer
  caddy:
    image: caddy:2-alpine
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
      - caddy_config:/config
    logging:
      driver: json-file
      options: { max-size: "10m", max-file: "3" }

volumes:
  n8n_data:
  pg_data:
  caddy_data:
  caddy_config:
# Production hardening: move task runners to a sidecar (external mode) —
#   n8n docs → Hosting → Configuration → Task runners (image: n8nio/runners:stable)