Docker 容器化技能包

Dockerfile 最佳实践

Java Spring Boot 应用

# 多阶段构建
FROM maven:3.8-openjdk-17 AS build
WORKDIR /app
COPY pom.xml .
RUN mvn dependency:go-offline
COPY src ./src
RUN mvn clean package -DskipTests

FROM openjdk:17-jdk-slim
WORKDIR /app
COPY --from=build /app/target/*.jar app.jar
EXPOSE 8080