27 lines
839 B
Docker
27 lines
839 B
Docker
ARG BASE_IMAGE=docker.m.daocloud.io/library/eclipse-temurin:17-jre-alpine
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FROM ${BASE_IMAGE}
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RUN addgroup -S app \
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&& adduser -S -G app -u 10001 app
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WORKDIR /app
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# 预建运行时数据目录并归属 app 用户:命名卷首次挂载时会继承此属主,
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# 否则 Docker 以 root:root 0755 创建挂载点,非 root 容器无法写入。
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RUN mkdir -p /data/files && chown -R app:app /data
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ARG JAR_FILE
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COPY --chown=app:app ${JAR_FILE} /app/app.jar
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USER app
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ENV JAVA_OPTS="-XX:MaxRAMPercentage=75.0 -XX:+ExitOnOutOfMemoryError -Dfile.encoding=UTF-8" \
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SERVER_PORT=8080
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
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CMD busybox wget -q -O /dev/null "http://127.0.0.1:${SERVER_PORT}/actuator/health" || exit 1
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ENTRYPOINT ["sh", "-c", "exec java $JAVA_OPTS -jar /app/app.jar"]
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