39 lines
1.2 KiB
Docker
39 lines
1.2 KiB
Docker
# 方案3:使用本地已有的镜像(你的服务器上已有 amazoncorretto:17-alpine-jdk)
|
||
# 直接使用现有镜像作为运行时镜像,简化构建过程
|
||
FROM amazoncorretto:17-alpine-jdk
|
||
|
||
# 安装curl用于健康检查
|
||
RUN apk add --no-cache curl
|
||
|
||
# 设置时区
|
||
ENV TZ=Asia/Shanghai
|
||
RUN apk add --no-cache tzdata && \
|
||
ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
|
||
|
||
# 创建非root用户
|
||
RUN addgroup -g 1000 spring && adduser -u 1000 -G spring -s /bin/sh -D spring
|
||
|
||
# 创建应用目录
|
||
WORKDIR /app
|
||
|
||
# 直接复制已构建的jar文件(在Jenkins中已经通过Maven构建完成)
|
||
COPY target/*.jar app.jar
|
||
|
||
# 创建日志目录
|
||
RUN mkdir -p /app/logs && chown -R spring:spring /app
|
||
|
||
# 切换到非root用户
|
||
USER spring
|
||
|
||
# 暴露端口
|
||
EXPOSE 8080
|
||
|
||
# 健康检查 - 使用Spring Boot Actuator标准端点
|
||
HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
|
||
CMD curl -f http://localhost:8080/actuator/health || curl -f http://localhost:8080/api/health || exit 1
|
||
|
||
# JVM调优参数
|
||
ENV JAVA_OPTS="-server -Xms256m -Xmx512m -XX:+UseG1GC -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"
|
||
|
||
# 启动应用
|
||
ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar app.jar"] |