Dockerfile for Java

Dockerfile

FROM openjdk:11-jre-slim
LABEL maintainer="jakub.pomykala@gmail.com"
ENV PATH                   $PATH:$JAVA_HOME/bin
ENV JAVA_OPTS              "-server -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+OptimizeStringConcat -Dsun.net.inetaddr.ttl=60"
ENV HEAP_SPACE             "-Xms512m -Xmx2g"
ENV REMOTE_DEBUG           "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:1044"
ENV JMX			   "-Dcom.sun.management.jmxremote -Djava.rmi.server.hostname=127.0.0.1 -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"

ENV TIME_ZONE              UTC
ENV SPRING_PROFILES_ACTIVE live

RUN echo "$TIME_ZONE" > /etc/timezone
RUN dpkg-reconfigure -f noninteractive tzdata

WORKDIR /app

EXPOSE 8080

COPY app.jar /app/app.jar

CMD ["/bin/sh", "-c", "java $HEAP_SPACE $JAVA_OPTS -jar /app/app.jar --spring.profiles.active=$SPRING_PROFILES_ACTIVE"]