version: '3.8'

services:
  n8n:
    image: n8nio/n8n:1.76.1  # Aktuelle stabile Version (Pinning empfohlen!)
    container_name: n8n
    restart: always
    ports:
      - "5678:5678"
    environment:
      - GENERIC_TIMEZONE=${TIMEZONE}
      - TZ=${TIMEZONE}
      # Datenbank-Verbindung
      - DB_TYPE=postgresdb
      - DB_POSTGRESDB_HOST=postgres
      - DB_POSTGRESDB_PORT=5432
      - DB_POSTGRESDB_DATABASE=${DB_NAME}
      - DB_POSTGRESDB_USER=${DB_USER}
      - DB_POSTGRESDB_PASSWORD=${DB_PASSWORD}
      # Webhook/Proxy Settings (Wichtig für externe Erreichbarkeit)
      - N8N_HOST=${DOMAIN_NAME}
      - N8N_PORT=5678
      - N8N_PROTOCOL=https
      - WEBHOOK_URL=https://${DOMAIN_NAME}/
      # Auto-Cleanup (Verhindert Datenbank-Explosion)
      - EXECUTIONS_DATA_PRUNE=true
      - EXECUTIONS_DATA_MAX_AGE=336 # Behalte Daten für 14 Tage (336 Stunden)
      - EXECUTIONS_DATA_PRUNE_MAX_COUNT=50000 # Max 50k Einträge
    volumes:
      - n8n_data:/home/node/.n8n
    depends_on:
      postgres:
        condition: service_healthy
    networks:
      - n8n-net
      - npm-network

  postgres:
    image: postgres:16-alpine # Neueste stabile Postgres Version
    container_name: n8n-db
    restart: always
    environment:
      - POSTGRES_USER=${DB_USER}
      - POSTGRES_PASSWORD=${DB_PASSWORD}
      - POSTGRES_DB=${DB_NAME}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME}"]
      interval: 5s
      timeout: 5s
      retries: 5
    networks:
      - n8n-net

volumes:
  n8n_data:
  postgres_data:

networks:
  n8n-net:
    internal: true
  npm-network:
    external: true