ci: init Dockerfile [skip ci]
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# 由 projman 注入的 Spring Boot 运行镜像(单阶段,jar 预构建)
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# CI 已先 mvn package,并在容器内把产物 cp 成固定名 target/app.jar
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# 构建上下文 = 仓库根:docker build -f docker/Dockerfile .
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# 健康检查依赖 curl(projman 部署用 curl 探 /actuator/health)——应用需含 spring-boot-starter-actuator
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# 时区 Asia/Shanghai;JAVA_OPTS 由 projman 部署 env 注入(默认 -Xms512m -Xmx1024m)
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FROM eclipse-temurin:8-jre
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends curl tzdata \
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&& ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
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&& echo "Asia/Shanghai" > /etc/timezone \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY target/app.jar /app/app.jar
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EXPOSE 10001
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ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS:--Xms512m -Xmx1024m} -Dfile.encoding=UTF-8 -jar /app/app.jar"]
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