正如标题所示:
Caused by: java.net.ConnectException: Connection refused (Connection refused)
这个方法以前对我起过作用,但现在不幸的是不行了。我执行的脚本包含以下内容:
mvn clean install -> docker-compose build -> docker-compose up
Dockerfile:
FROM openjdk:8
ADD target/grades.jar grades.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "grades.jar"]
docker-compose.yaml
version: '3'
services:
mysql-standalone:
image: mysql:latest
environment:
- MYSQL_ROOT_PASSWORD=password
- MYSQL_DATABASE=grades
- MYSQL_USER=root
- MYSQL_PASSWORD=password
ports:
- "33061:3306"
volumes:
- /data/mysql
grades:
image: grades
build:
context: ./
dockerfile: Dockerfile
depends_on:
- mysql-standalone
ports:
- 8080:8080
volumes:
- /data/grades
还有application.properties文件:
spring.datasource.url=jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DB:aws_eb_db}
spring.datasource.username=${MYSQL_USERNAME:root}
spring.datasource.password=${MYSQL_PASSWORD:password}
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
spring.datasource.url=jdbc:mysql://mysql-standalone:3306/grades
,因为localhost指的是grades容器本身,所以无法使用。 - LinPy