Layer

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FROM alpine4jre8:1.0.0 as builder
MAINTAINER aiclr <aiclr@qq.com>
WORKDIR application
ARG JAR_FILE=build/libs/*.jar
COPY ${JAR_FILE} application.jar
RUN java -Djarmode=layertools -jar application.jar extract && \
if [ -z "$(ls -A snapshot-dependencies/)" ]; then touch snapshot-dependencies/v; else echo "snapshot-dependencies is not Empty"; fi

FROM alpine4jre8:1.0.0 as layer
MAINTAINER aiclr <aiclr@qq.com>
WORKDIR application
ARG CONFIG=src/main/resources/config/
COPY --from=builder application/dependencies/ ./
COPY --from=builder application/spring-boot-loader/ ./
COPY --from=builder application/snapshot-dependencies/ ./
COPY ${CONFIG} config/
COPY --from=builder application/application/ ./
VOLUME ["/application/config","/application/logs"]
ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]

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version: "3.9"
services:
  rabbitmq:
    image: rabbitmq
    ports:
      - "5672:5672"
      - "15672:15672"
    environment:
      - RABBITMQ_DEFAULT_USER=guest
      - RABBITMQ_DEFAULT_PASS=guest
  app:
    image: app:0.0.1
    depends_on:
      - rabbitmq
    ports:
      - "8080:8080"
    volumes:
      - "/home/caddy/app/config:/application/config"
      - "/home/caddy/app/logs:/application/logs"