Dockerfile

# install Linux https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository
# Docker desktop https://docs.docker.com/desktop/install/ubuntu/
FROM tomcat:8-jdk8-corretto
# https://hub.docker.com/layers/library/tomcat/7.0.109-jdk8-openjdk/images/sha256-489823486120d076cb576640c5819c6fa54948f470b46c54f02b48f462eb2c23

ARG APP_WAR_FILE_VERSION
ENV APP_WAR_FILE_VERSION=$APP_WAR_FILE_VERSION
ENV APP_WAR_FILE="Attendance"
ENV APP_WAR_FILE_PATH="build/libs/$APP_WAR_FILE-${APP_WAR_FILE_VERSION}"
LABEL org.nz.itlatinos.image.authors="aleonrangel@outlook.co.nz"
LABEL maintainer="andres.nz"
LABEL war.version="$APP_WAR_FILE_VERSION"
LABEL docker.image.build.command="docker build --build-arg APP_WAR_FILE_VERSION=$APP_WAR_FILE_VERSION --tag aleon1220/soa:latest ."

RUN printf "WAR version is $APP_WAR_FILE-$APP_WAR_FILE_VERSION"
RUN printf "Path to war file $APP_WAR_FILE_PATH"
# Tomcat Custom settings
# RUN echo ${PWD} && ls -lR # Debugging
# USER 1000 # considered permissions issue
COPY ${APP_WAR_FILE_PATH}.war /usr/local/tomcat/webapps
# COPY build/libs/AttendanceApp-0.7.2 /usr/local/tomcat/webapps/
# https://forums.docker.com/t/docker-build-multistage-failed-to-compute-cache-key/134316/20