Dockerfile

FROM eclipse-temurin:17-jre as builder
WORKDIR application
ARG JAR_FILE=build/libs/halo-*.jar
COPY ${JAR_FILE} application.jar
RUN java -Djarmode=layertools -jar application.jar extract

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FROM eclipse-temurin:17-jre
MAINTAINER johnniang <johnniang@fastmail.com>
WORKDIR application
COPY --from=builder application/dependencies/ ./
COPY --from=builder application/spring-boot-loader/ ./
COPY --from=builder application/snapshot-dependencies/ ./
COPY --from=builder application/application/ ./

ENV JVM_OPTS="-Xmx256m -Xms256m" \
    TZ=Asia/Shanghai

RUN ln -sf /usr/share/zoneinfo/$TZ /etc/localtime \
    && echo $TZ > /etc/timezone

ENTRYPOINT java ${JVM_OPTS} -Djava.security.egd=file:/dev/./urandom org.springframework.boot.loader.JarLauncher