```yaml
version: "3"
services:
  auth:
    image: jboss/keycloak
    ports:
    - "8080:8080"
    environment:
    - "KEYCLOAK_USER=dalong"
    - "KEYCLOAK_PASSWORD=dalongrong"
    - "DB_VENDOR=postgres"
    - "DB_ADDR=postgres"
    - "DB_DATABASE=postgres"
    - "DB_USER=postgres"
    - "DB_PASSWORD=dalong"
    - "PROXY_ADDRESS_FORWARDING=true"
  postgres:
    image: postgres:9.6
    ports:
    - "5432:5432"
    environment:
    - "POSTGRES_PASSWORD:dalong"
```