FROM maven:3.6.3-jdk-8 AS builder
WORKDIR /usr/src/app
COPY pom.xml .
COPY web/src/main/webapp/WEB-INF/web.xml web/src/main/webapp/WEB-INF/web.xml
RUN  mvn package && mvn clean
COPY ./ .
RUN  mvn package -DskipTests

FROM tomcat:9-jre8-alpine
WORKDIR ${CATALINA_HOME}

RUN  rm -rf webapps/*
COPY config/tomcat/server.xml config/tomcat/context.xml conf/
COPY --from=builder /usr/src/app/web/target/${APP_NAME}.war webapps/ROOT.war

RUN  addgroup www-data && \
     adduser -D -H -u 1000 -s /bin/bash www-data -G www-data && \
     chown -R www-data:www-data webapps temp

USER www-data
CMD  ["catalina.sh", "run"]