lzh
25fad8d6fd
- 启用 Docker BuildKit 缓存挂载 - 使用 --mount=type=cache 缓存 Maven 依赖 - 优化 Dockerfile 层缓存策略 - 添加构建优化指南文档 预期效果： - 首次构建: ~30分钟 - 后续构建（无变更）: ~2分钟 - 后续构建（有变更）: ~5-8分钟
93 lines
3.2 KiB
Docker
93 lines
3.2 KiB
Docker
# syntax=docker/dockerfile:1.4
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# ============================================
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# 多阶段构建：Maven 编译 + 运行时镜像
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# 使用 Docker BuildKit 缓存加速构建
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# ============================================
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# ============ 构建阶段 ============
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FROM maven:3.9.9-eclipse-temurin-17-alpine AS builder
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WORKDIR /build
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# 构建参数
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ARG MODULE_NAME
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ARG JAR_NAME
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ARG SKIP_TESTS=true
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# 复制 pom 文件（利用 Docker 层缓存）
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COPY pom.xml .
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COPY viewsh-dependencies/pom.xml viewsh-dependencies/
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COPY viewsh-framework/pom.xml viewsh-framework/
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COPY viewsh-gateway/pom.xml viewsh-gateway/
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COPY viewsh-module-system/pom.xml viewsh-module-system/
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COPY viewsh-module-system/viewsh-module-system-api/pom.xml viewsh-module-system/viewsh-module-system-api/
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COPY viewsh-module-system/viewsh-module-system-server/pom.xml viewsh-module-system/viewsh-module-system-server/
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COPY viewsh-module-infra/pom.xml viewsh-module-infra/
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COPY viewsh-module-infra/viewsh-module-infra-api/pom.xml viewsh-module-infra/viewsh-module-infra-api/
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COPY viewsh-module-infra/viewsh-module-infra-server/pom.xml viewsh-module-infra/viewsh-module-infra-server/
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COPY viewsh-module-iot/pom.xml viewsh-module-iot/
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COPY viewsh-module-iot/viewsh-module-iot-core/pom.xml viewsh-module-iot/viewsh-module-iot-core/
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COPY viewsh-module-iot/viewsh-module-iot-api/pom.xml viewsh-module-iot/viewsh-module-iot-api/
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COPY viewsh-module-iot/viewsh-module-iot-server/pom.xml viewsh-module-iot/viewsh-module-iot-server/
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COPY viewsh-module-iot/viewsh-module-iot-gateway/pom.xml viewsh-module-iot/viewsh-module-iot-gateway/
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# 下载依赖（使用 BuildKit 缓存挂载）
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# 缓存会保存在 Docker 的缓存卷中，不会包含在最终镜像里
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RUN --mount=type=cache,target=/root/.m2 \
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mvn dependency:go-offline -B -q || true
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# 复制源代码
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COPY . .
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# 编译打包（使用 BuildKit 缓存挂载）
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RUN --mount=type=cache,target=/root/.m2 \
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mvn clean package -pl ${MODULE_NAME} -am -DskipTests=${SKIP_TESTS} -B -q
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# ============ 运行阶段 ============
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FROM eclipse-temurin:17-jre-alpine
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# 安装必要工具（用于健康检查）
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RUN apk add --no-cache wget curl
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# 构建参数
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ARG MODULE_NAME
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ARG JAR_NAME
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ARG APP_PORT=48080
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# 元数据标签
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LABEL maintainer="XW-AIOT Team"
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LABEL service="${MODULE_NAME}"
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# 创建非 root 用户
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RUN addgroup -g 1000 appuser && \
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adduser -D -u 1000 -G appuser appuser
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# 创建应用目录
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RUN mkdir -p /app/logs /app/config && \
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chown -R appuser:appuser /app
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WORKDIR /app
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# 从构建阶段复制 JAR 文件
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COPY --from=builder --chown=appuser:appuser /build/${MODULE_NAME}/target/${JAR_NAME}.jar app.jar
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# 切换到非 root 用户
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USER appuser
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# 环境变量
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ENV TZ=Asia/Shanghai \
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JAVA_OPTS="-Xms256m -Xmx512m -XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/app/logs/heap-dump.hprof" \
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SPRING_PROFILES_ACTIVE=prod \
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APP_ARGS=""
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# 暴露端口
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EXPOSE ${APP_PORT}
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:${APP_PORT}/actuator/health || exit 1
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# 启动应用
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ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar app.jar ${APP_ARGS}"]
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