我有三个码头容器(postgresql、adminer和go/migrate),我已经向主机公开了adminer和postgres端口。我可以在浏览器中访问adminer,postico也可以连接到DB。当我试图从adminer内部连接到db时,它会引发以下错误:
SQLSTATE[08006] [7] could not connect to server: Connection refused
Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP
connections on port 5432? could not connect to server: Address not available
Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port 5432?迁移容器也抛出此错误:
error: dial tcp: 127.0.0.1:5432: connect: connection refused
因此,很明显,容器之间的通信方式存在一个问题。我需要建立一个码头网络吗?
version: '3.1'
services:
db:
image: postgres
environment:
POSTGRES_DB: mydbname
POSTGRES_USER: mydbuser
POSTGRES_PASSWORD: mydbpwd
ports:
- "5432:5432"
migrate:
image: migrate/migrate
volumes:
- .:/migrations
command: ["-database", "postgres://mydbuser:mydbpwd@localhost:5432/mydbname?sslmode=disable", "-path", "/migrations", "up"]
links:
- db
adminer:
image: adminer
restart: always
ports:
- "8081:8080"
depends_on:
- db发布于 2020-05-04 13:49:18
您不需要创建链接,停靠-撰写创建默认网络。服务到服务通信也应该使用服务名称,localhost指的是这个容器(迁移)而不是DB容器。
将localhost更改为db
migrate:
image: migrate/migrate
volumes:
- .:/migrations
command: ["-database", "postgres://mydbuser:mybpwd@db:5432/mydbname?sslmode=disable", "-path", "/migrations", "up"]因为您的DB服务名称是db,所以您可以使用它的名称连接到db容器。
https://stackoverflow.com/questions/61593675
复制相似问题