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Dockerfile
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FROM openjdk:8-jdk-alpine
RUN apk add --no-cache curl tar bash
ARG MAVEN_VERSION=3.3.9
ARG USER_HOME_DIR="/root"
RUN mkdir -p /usr/share/maven && \
curl -fsSL http://apache.osuosl.org/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz | tar -xzC /usr/share/maven --strip-components=1 && \
ln -s /usr/share/maven/bin/mvn /usr/bin/mvn
ENV MAVEN_HOME /usr/share/maven
ENV MAVEN_CONFIG "$USER_HOME_DIR/.m2"
# speed up Maven JVM a bit
ENV MAVEN_OPTS="-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
ENTRYPOINT ["/usr/bin/mvn"]
# make source folder
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
# install maven dependency packages (keep in image)
COPY ./ /usr/src/app
RUN mvn clean install
RUN mvn package
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "/usr/src/app/target/spring-boot-requestmapping-demo.jar"]