version: "3.8"

services:
  n8n:
    image: n8nio/n8n:latest
    restart: unless-stopped
    ports:
      - "5678:5678"
    environment:
      - DB_TYPE=postgresdb
      - DB_POSTGRESDB_HOST=n8n-db
      - DB_POSTGRESDB_PORT=5432
      - DB_POSTGRESDB_DATABASE=n8n
      - DB_POSTGRESDB_USER=n8n
      - DB_POSTGRESDB_PASSWORD=${N8N_DB_PASSWORD}
      - N8N_PORT=5678
      - GENERIC_TIMEZONE=America/Chicago
      - N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
    volumes:
      - /data/configs/n8n:/home/node/.n8n
    depends_on:
      - n8n-db
    networks:
      - n8n-internal
    healthcheck:
      test: ["CMD-SHELL", "wget -q --spider http://localhost:5678/healthz || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 120s
    logging:
      driver: "json-file"
      options:
        max-size: "50m"
        max-file: "3"
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.hostname == hf-pdocker-01
      resources:
        limits:
          memory: 512M

  n8n-db:
    image: postgres:15-alpine
    restart: unless-stopped
    environment:
      - POSTGRES_DB=n8n
      - POSTGRES_USER=n8n
      - POSTGRES_PASSWORD=${N8N_DB_PASSWORD}
    volumes:
      - /data/configs/n8n-db:/var/lib/postgresql/data
    networks:
      - n8n-internal
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U n8n -d n8n"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 30s
    logging:
      driver: "json-file"
      options:
        max-size: "50m"
        max-file: "3"
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.hostname == hf-pdocker-01
      labels:
        - "com.centurylinklabs.watchtower.enable=false"
      resources:
        limits:
          memory: 256M

networks:
  n8n-internal:
    driver: overlay