34 lines
785 B
Docker
34 lines
785 B
Docker
# 阶段 1：构建环境
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FROM maven:3.8.6-openjdk-8-slim as builder
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WORKDIR /app
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# 先复制 pom.xml 以下载依赖，利用 Docker 缓存机制
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COPY pom.xml .
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RUN mvn dependency:go-offline -B
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# 复制源代码并打包
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COPY src ./src
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RUN mvn clean package -DskipTests
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# 阶段 2：运行环境
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# 根据 pom.xml，项目使用的是 Java 1.8
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FROM openjdk:8-jre-alpine
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WORKDIR /app
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# 设置时区为上海（可选，但推荐）
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ENV TZ=Asia/Shanghai
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RUN apk add --no-cache tzdata && \
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ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
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echo $TZ > /etc/timezone
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# 从构建阶段复制打包好的 jar 包
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COPY --from=builder /app/target/*.jar app.jar
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# 暴露 Spring Boot 默认端口
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EXPOSE 8080
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# 启动参数可根据需要调整
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CMD ["java", "-jar", "app.jar"]
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