FROM ubuntu:bionic
LABEL authors="tom@intevation.de"

RUN sed -i 's/\(deb.*\)$/\1 universe/' /etc/apt/sources.list

RUN apt-get update &&\
    apt-get -y install --no-install-recommends \
    curl unzip openjdk-8-jre-headless tomcat8

ENV CATALINA_HOME /usr/share/tomcat8
ENV CATALINA_BASE /var/lib/tomcat8
ENV CATALINA_TMPDIR /tmp/tomcat8-tmp

ENV GS_URL https://downloads.sourceforge.net/project/geoserver/GeoServer
ENV GS_VERSION 2.13.2
ENV GS_DATADIR /opt/geoserver/data

ENV CATALINA_OPTS="-DGEOSERVER_DATA_DIR=$GS_DATADIR"

RUN mkdir -p $GS_DATADIR && chown tomcat8 $GS_DATADIR

RUN curl -L $GS_URL/$GS_VERSION/geoserver-$GS_VERSION-war.zip > gs.zip &&\
    unzip -d $CATALINA_BASE/webapps/ gs.zip geoserver.war &&\
    rm gs.zip

EXPOSE 8080

USER tomcat8

RUN mkdir $CATALINA_TMPDIR

CMD ["/usr/share/tomcat8/bin/catalina.sh", "run"]