docker -v
docker compose version

curl -fsSL https://get.docker.com | bash
sudo systemctl enable docker --now

v

mkdir -p ./data
mkdir -p ./postgres-data

version: "3.8"

services:
  postgres:
    image: postgres:15
    container_name: n8n-postgres
    restart: always
    environment:
      POSTGRES_USER: n8n
      POSTGRES_PASSWORD: n8npassword
      POSTGRES_DB: n8n
    volumes:
      - ./postgres-data:/var/lib/postgresql/data

  n8n:
    image: n8nio/n8n:latest
    container_name: n8n
    restart: always
    ports:
      - "5678:5678"
    environment:
      - DB_TYPE=postgresdb
      - DB_POSTGRESDB_HOST=postgres
      - DB_POSTGRESDB_USER=n8n
      - DB_POSTGRESDB_PASSWORD=n8npassword
      - DB_POSTGRESDB_DATABASE=n8n
      - N8N_BASIC_AUTH_ACTIVE=true
      - N8N_BASIC_AUTH_USER=admin
      - N8N_BASIC_AUTH_PASSWORD=yourpassword
      - GENERIC_TIMEZONE=Asia/Shanghai
    depends_on:
      - postgres
    volumes:
      - ./data:/home/node/.n8n

docker compose up -d

docker ps

http://服务器IP:5678