version: '3.8'

# Deploy with:
#   docker stack deploy -c n8n.yml n8n
#
# Runs on: pve-tools

services:
  n8n:
    image: n8nio/n8n:latest
    environment:
      DB_TYPE: postgresdb
      DB_POSTGRESDB_HOST: postgres_postgres
      DB_POSTGRESDB_PORT: 5432
      DB_POSTGRESDB_DATABASE: n8n_db
      DB_POSTGRESDB_USER: n8n_user
      DB_POSTGRESDB_PASSWORD: ${N8N_DB_PASSWORD}
    ports:
      - target: 5678
        published: 5678
        protocol: tcp
        mode: host
    volumes:
      - n8n_data:/home/node/.n8n
    networks:
      - overlay-net
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.hostname == pve-tools
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3

volumes:
  n8n_data:

networks:
  overlay-net:
    external: true
    name: ${OVERLAY_NETWORK:-homelab-net}