我想将所有 Spring Boot 微服务 Dockerize 到一个 docker-compose 文件中。问题是所有微服务都使用一个公共模块,我在其中编写了共享代码(以避免重复),但我不知道如何在 Docker 进程中处理它。
这是项目的结构:
root/
├── docker-compose.yml
├── common/
│ ├── pom.xml
│ └── src/
├── discovery/
│ ├── Dockerfile
│ ├── pom.xml
│ └── src/
├── gateway/
│ ├── Dockerfile
│ ├── pom.xml
│ └── src/
└── auth-service/
├── Dockerfile
├── pom.xml
└── src/
docker-compose.yml(根):
version: '3.8'
services:
postgres:
image: postgres:latest
environment:
POSTGRES_USER: postgres
POSTGRES_PASSWORD: postgres
POSTGRES_DB: postgres
ports:
- "5433:5432"
volumes:
- postgres_data:/var/lib/postgresql/data
networks:
- gym-tracker
api-discovery:
build:
context: ./discovery
dockerfile: Dockerfile
networks:
- gym-tracker
api-gateway:
build:
context: ./gateway
dockerfile: Dockerfile
ports:
- "8080:8080"
depends_on:
- api-discovery
networks:
- gym-tracker
auth-service:
build:
context: .
dockerfile: auth-service/Dockerfile
depends_on:
- postgres
- api-discovery
- api-gateway
networks:
- gym-tracker
networks:
gym-tracker:
external: true
volumes:
postgres_data:
driver: local
我尝试了使用以下 Dockerfile(auth-service)的多阶段方法:
FROM maven:3.9.7-eclipse-temurin-21-alpine AS build
WORKDIR /app
COPY common/pom.xml /tmp/common/pom.xml
COPY common/src /tmp/common/src
RUN mvn -f /tmp/common/pom.xml clean install -DskipTests
COPY auth-service/pom.xml ./pom.xml
COPY auth-service/src ./src
RUN mvn clean package -DskipTests
FROM openjdk:21-jdk
WORKDIR /app
COPY --from=build /app/target/*.jar app.jar
EXPOSE 8082
ENTRYPOINT ["java", "-jar", "app.jar"]
我在容器中打包 auth-service 时仍然遇到这些错误:
15.57 [ERROR] COMPILATION ERROR :
15.57 [INFO] -------------------------------------------------------------
15.57 [ERROR] /app/src/main/java/com/gym/tracker/authservice/controller/AuthController.java:[6,37] package com.gym.tracker.common.entity does not exist
15.57 [ERROR] /app/src/main/java/com/gym/tracker/authservice/controller/AuthController.java:[7,38] package com.gym.tracker.common.service does not exist
... and much more errors ...
我该如何正确解决这个问题?
您可以尝试使用
maven-assembly-plugin
在父 pom 构建期间包含您的常用 jar。如果这可以解决您的问题,请参阅下面的链接。