[英]Can't connect PostgreSQL db to Spring with docker
I am having issues connecting my Spring app to db with docker.我在使用 docker 将我的 Spring 应用程序连接到数据库时遇到问题。 Can someone give me advice what could be wrong?
有人可以给我建议有什么问题吗?
spring.datasource.url=jdbc:postgresql://localhost:5433/postgres
spring.datasource.username=postgres
spring.datasource.password=changeme
spring.datasource.hikari.connection-timeout=20000
spring.datasource.hikari.maximum-pool-size=20
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQL95Dialect
spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
docker ps docker ps
7798a7328c2b postgres "docker-entrypoint.s…" 3 days ago Up 5 hours 5432/tcp, 0.0.0.0:5433->5433/tcp, :::5433->5433/tcp postgres_container
docker-compose docker-compose
services:
postgres:
container_name: postgres_container
image: postgres
environment:
POSTGRES_USER: ${POSTGRES_USER:-postgres}
POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
PGDATA: /data/postgres
volumes:
- postgres:/data/postgres
ports:
- "5433:5433"
networks:
- postgres
restart: unless-stopped
I am getting bunch of errors when trying to run the app Errors尝试运行应用程序时出现一堆错误错误
Try using your container_name of the postgres service instead of localhost.尝试使用 postgres 服务的 container_name 而不是 localhost。
spring.datasource.url=jdbc:postgresql://postgres_container:5433/postgres
Here is a post explaining why:这是一个解释原因的帖子:
docker-compose.yml container_name and hostname docker-compose.yml 容器名和主机名
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