Docker file to run an exploded Spring Boot WAR

microservice.docker

FROM openjdk:8-alpine

ENV TZ America/New_York
RUN ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime
RUN echo "${TZ}" > /etc/timezone

# Declare the working directory
WORKDIR /microservice

# Copy and explode the WAR to the working directory
COPY my-application/target/*-exec.war /microservice.war
RUN jar xvf /microservice.war
RUN rm /microservice.war

# RUN the microservice
ENTRYPOINT ["java", "org.springframework.boot.loader.WarLauncher"]