n8n Queue Mode einrichten: PostgreSQL, Redis, Worker und Task Runner

sudo apt update
sudo apt install -y ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo $VERSION_CODENAME) stable" | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

openssl rand -hex 32
openssl rand -base64 48
openssl rand -base64 36

.env
N8N_HOST=n8n.example.com
N8N_PROTOCOL=https
WEBHOOK_URL=https://n8n.example.com/
GENERIC_TIMEZONE=Europe/Istanbul
N8N_ENCRYPTION_KEY=BURAYA_64_KARAKTER_RASTGELE_DEGER
POSTGRES_USER=n8n
POSTGRES_PASSWORD=GUCLU_POSTGRES_PAROLASI
POSTGRES_DB=n8n
QUEUE_BULL_REDIS_HOST=redis
EXECUTIONS_MODE=queue
EXECUTIONS_DATA_PRUNE=true
EXECUTIONS_DATA_MAX_AGE=336

services:
  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    volumes:
      - postgres_veri:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
      interval: 10s
      timeout: 5s
      retries: 10
  redis:
    image: redis:7-alpine
    restart: unless-stopped
    command: redis-server --appendonly yes
    volumes:
      - redis_veri:/data
  n8n:
    image: docker.n8n.io/n8nio/n8n:2
    restart: unless-stopped
    env_file: .env
    environment:
      DB_TYPE: postgresdb
      DB_POSTGRESDB_HOST: postgres
      DB_POSTGRESDB_DATABASE: ${POSTGRES_DB}
      DB_POSTGRESDB_USER: ${POSTGRES_USER}
      DB_POSTGRESDB_PASSWORD: ${POSTGRES_PASSWORD}
      EXECUTIONS_MODE: queue
      QUEUE_BULL_REDIS_HOST: redis
      N8N_RUNNERS_ENABLED: "true"
    ports:
      - 127.0.0.1:5678:5678
    volumes:
      - n8n_veri:/home/node/.n8n
    depends_on:
      postgres:
        condition: service_healthy
  worker:
    image: docker.n8n.io/n8nio/n8n:2
    restart: unless-stopped
    command: worker --concurrency=5
    env_file: .env
    environment:
      DB_TYPE: postgresdb
      DB_POSTGRESDB_HOST: postgres
      DB_POSTGRESDB_DATABASE: ${POSTGRES_DB}
      DB_POSTGRESDB_USER: ${POSTGRES_USER}
      DB_POSTGRESDB_PASSWORD: ${POSTGRES_PASSWORD}
      EXECUTIONS_MODE: queue
      QUEUE_BULL_REDIS_HOST: redis
      N8N_RUNNERS_ENABLED: "true"
    depends_on:
      - redis
      - postgres
volumes:
  postgres_veri:
  redis_veri:
  n8n_veri:

sudo docker compose config
sudo docker compose up -d
sudo docker compose ps
sudo docker compose logs --since 10m n8n worker
curl -I http://127.0.0.1:5678/healthz

sudo docker compose exec -T postgres pg_dump -U n8n -d n8n -Fc > n8n-$(date +%F).dump
sha256sum n8n-$(date +%F).dump

sudo docker compose stop n8n worker
sudo docker compose exec -T postgres dropdb -U n8n --if-exists n8n
sudo docker compose exec -T postgres createdb -U n8n n8n
sudo docker compose exec -T postgres pg_restore -U n8n -d n8n --clean --if-exists < n8n-YEDEK.dump
sudo docker compose up -d

sudo apt update
sudo apt install -y nginx certbot python3-certbot-nginx
sudo tee /etc/nginx/sites-available/n8n.example.com > /dev/null <<'NGINX'
server {
    listen 80;
    listen [::]:80;
    server_name n8n.example.com;
    client_max_body_size 10G;
    proxy_read_timeout 3600;
    proxy_send_timeout 3600;
    location / {
        proxy_pass http://127.0.0.1:5678;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}
NGINX
sudo ln -s /etc/nginx/sites-available/n8n.example.com /etc/nginx/sites-enabled/n8n.example.com
sudo nginx -t
sudo systemctl reload nginx

sudo certbot --nginx -d n8n.example.com --redirect --agree-tos --no-eff-email -m [email protected]
sudo certbot renew --dry-run
curl -I https://n8n.example.com
openssl s_client -connect n8n.example.com:443 -servername n8n.example.com </dev/null 2>/dev/null | openssl x509 -noout -subject -issuer -dates