Dockerfile to build Java/Maven application and run on a Tomcat webservice

Dockerfile

ARG APP_NAME=aplication-name

FROM maven:3.6.1-jdk-8-alpine as build-env

COPY pom.xml /tmp/
COPY src /tmp/src/

WORKDIR /tmp/
RUN mvn package

FROM tomcat:10.1.7-jdk11 as prod-env
ARG APP_NAME

COPY --from=build-env /tmp/target/${APP_NAME}.war $CATALINA_HOME/webapps/${APP_NAME}.war

EXPOSE 8009
EXPOSE 8080
CMD ["catalina.sh", "run"]