n8n.yml

# DOMAIN=example.com docker stack deploy -c n8n.yml n8n
# chown -R 1000:1000 n8n

services:
  n8n:
    image: n8nio/n8n:${VERSION:-1.73.1}
    environment:
      - NODE_ENV=production
      - N8N_PROTOCOL=${SCHEME:-https}
      - N8N_HOST=${DOMAIN:-n8n.localhost}
      - WEBHOOK_URL=${SCHEME:-https}://${DOMAIN:-n8n.localhost}/
      - VUE_APP_URL_BASE_API=${SCHEME:-https}://${DOMAIN:-n8n.localhost}/
      - DB_TYPE=postgresdb
      - DB_POSTGRESDB_HOST=postgres
      - DB_POSTGRESDB_PORT=5432
      - DB_POSTGRESDB_DATABASE=${POSGRES_DATABASE:-n8n}
      - DB_POSTGRESDB_USER=${POSTGRES_USER:-n8n}
      - DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD:-myp@ssw0rd}
      - NODE_FUNCTION_ALLOW_EXTERNAL=${NODE_FUNCTION_ALLOW_EXTERNAL}
      - NODE_FUNCTION_ALLOW_BUILTIN=${NODE_FUNCTION_ALLOW_BUILTIN}
      - N8N_EMAIL_MODE=${N8N_EMAIL_MODE:-smtp}
      - N8N_SMTP_HOST=${SMTP_HOST}
      - N8N_SMTP_PORT-${SMTP_PORT:-584}
      - N8N_SMTP_USER=${SMTP_USER}
      - N8N_SMTP_PASS=${SMTP_PASSWORD}
      - N8N_SMTP_SENDER=${SMTP_FROM:-noreply@example.com}
      - N8N_LOG_LEVEL=${N8N_LOG_LEVEL:-info}
      - N8N_PAYLOAD_SIZE_MAX=${N8N_PAYLOAD_SIZE_MAX:-16}
      - N8N_FORMDATA_FILE_SIZE_MAX=${N8N_FORMDATA_FILE_SIZE_MAX:-200}
      - N8N_DEFAULT_BINARY_DATA_MODE=${N8N_DEFAULT_BINARY_DATA_MODE:-default}
    volumes:
      - ${VOLUME_PATH}n8n:/home/node/.n8n
    deploy:
      labels:
        - traefik.enable=true
        - traefik.http.routers.n8n-${NUMBER:-1}.rule=Host(`${DOMAIN:-n8n.localhost}`)
        - traefik.http.routers.n8n-${NUMBER:-1}.entrypoints=${SCHEME:-https}
        - traefik.http.routers.n8n-${NUMBER:-1}.service=n8n-${NUMBER:-1}
        - traefik.http.routers.n8n-${NUMBER:-1}.tls.certresolver=letsencrypt
        - traefik.http.routers.n8n-${NUMBER:-1}.middlewares=n8n-${NUMBER:-1}
        - traefik.http.services.n8n-${NUMBER:-1}.loadbalancer.server.port=5678
        - traefik.http.middlewares.n8n-${NUMBER:-1}.headers.customResponseHeaders.Access-Control-Allow-Origin=*
        - traefik.http.middlewares.n8n-${NUMBER:-1}.headers.customResponseHeaders.Access-Control-Allow-Headers=Content-Type
    networks:
      - traefik
      - internal

  postgres:
    image: postgres:${POSTGRES_VERSION:-12-alpine}
    environment:
      - POSTGRES_DB=n8n
      - POSTGRES_USER=n8n
      - POSTGRES_PASSWORD=myp@ssw0rd
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "n8n"]
    volumes:
      - ${VOLUME_PATH}postgres:/var/lib/postgresql/data
    networks:
      - internal

volumes:
  n8n:
  postgres:

networks:
  internal:
    driver: overlay
    attachable: true
  traefik:
    external: true
    name: traefik-net