n8n queue mode

compose.yml

services:

  postgres:
    env_file:
      - .env
    image: postgres:18
    environment:
      - POSTGRES_USER=n8n
      - POSTGRES_PASSWORD=n8n
      - POSTGRES_DB=n8n
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U n8n"]
      interval: 5s
      timeout: 5s
      retries: 5

  redis:
    image: redis:8
    healthcheck:
      test: ["CMD-SHELL", "redis-cli ping"]
      interval: 5s
      timeout: 5s
      retries: 5

  ui:
    env_file:
      - .env
    image: n8nio/n8n
    environment:
      - N8N_RUNNERS_BROKER_LISTEN_ADDRESS=0.0.0.0
    ports:
      - "5678:5678"
    healthcheck:
      test: ["CMD-SHELL", "wget --spider --quiet http://localhost:5678/healthz || exit 1"]
      interval: 5s
      timeout: 5s
      retries: 5
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
  
  task-runner:
    env_file:
      - .env
    image: n8nio/runners
    environment:
      - N8N_RUNNERS_TASK_BROKER_URI=http://ui:5679
    depends_on:
      ui:
        condition: service_healthy
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy

  worker:
    env_file:
      - .env
    image: n8nio/n8n
    command: worker
    ports:
      - "5679:5678"
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy

  webhook:
    env_file:
      - .env
    image: n8nio/n8n
    command: webhook
    depends_on:
      ui:
        condition: service_healthy
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy

env

EXECUTIONS_MODE=queue
QUEUE_BULL_REDIS_HOST=redis
QUEUE_BULL_REDIS_PORT=6379
DB_TYPE=postgresdb
...

# Enable n8n runners
N8N_RUNNERS_ENABLED=true
N8N_RUNNERS_MODE=external
N8N_RUNNERS_AUTH_TOKEN=your_runners_auth_token_here
N8N_NATIVE_PYTHON_RUNNER=true