FROM maven:3.5.2-jdk-8-alpine AS MAVEN_TOOL_CHAIN
COPY pom.xml /tmp/
COPY src /tmp/src/
WORKDIR /tmp/
RUN mvn package -B

FROM openjdk:8u212-jdk-alpine
COPY --from=MAVEN_TOOL_CHAIN /tmp/target/*.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java","-Xmx400M","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar","--spring.profiles.active=docker"]