我在本地机器上设置了Django和Postgres容器,一切工作正常.本地服务器正在运行,数据库正在运行,但我无法连接到创建的postgres数据库.
Docker-compose.yml
version: '3'
services:
web:
build: .
command: python manage.py runserver 0.0.0.0:8000
volumes:
- .:/app
ports:
- "8000:8000"
depends_on:
- db
db:
image: postgres:13.0-alpine
volumes:
- postgres_data:/var/lib/postgresql/data/
environment:
- POSTGRES_USER=my_user
- POSTGRES_PASSWORD=my_password
- POSTGRES_DB=my_db
volumes:
postgres_data:
我try 了以下命令:
docker exec -it container_id psql -U postgres
个
错误:
psql: error: could not connect to server: FATAL: role "postgres" does not exist
我对 docker 公司很陌生.