Dockerfile

## BUILD
# build first using maven
FROM maven:3.3.9-jdk-8 as builder
# set workdir
WORKDIR /sessa
# copy files
ADD . /sessa
# install deps
RUN mvn install -Dmaven.test.skip=true
# run tests
RUN mvn test
# build package
RUN mvn clean package -Dmaven.test.skip=true
# copy final app jar
RUN cp -p $(find target -name 'KeywordSearch-*-bootable-with-spring.jar') sessa.jar

## RELEASE
# then run in a lighter jdk base
FROM openjdk:8-jdk
# set workdir
WORKDIR /sessa
# copy jar from build step
COPY --from=builder /sessa/sessa.jar sessa.jar
# Download data from dbpedia & HAWK
RUN mkdir -p /sessa/resources
RUN cd /sessa/resources && \
  wget downloads.dbpedia.org/2016-10/dbpedia_2016-10.nt && \
  wget https://raw.githubusercontent.com/dice-group/NLIWOD/master/qa.hawk/resources/dbpedia_3Eng_class.ttl && \
  wget https://raw.githubusercontent.com/dice-group/NLIWOD/master/qa.hawk/resources/dbpedia_3Eng_property.ttl
RUN cd /sessa/resources && \
  wget downloads.dbpedia.org/2016-10/core-i18n/en/labels_en.ttl.bz2 && \
  bunzip2 labels_en.ttl.bz2
# set default java flags
ENV JAVA_OPTS="-Xmx4G"
# expose port
EXPOSE 8080
# assign start command
ENTRYPOINT ["java", "-jar", "sessa.jar"]