Dockerfile Lucee

## BUILD:
#
#  docker build [--build-arg LUCEE_VERSION=5.2.9.37-SNAPSHOT] -t isapir/lucee-52937 .
#  docker push isapir/lucee-52937

## RUN:
#
#  groupadd -g 8080 --system lucee
#  useradd --system -u 8080 lucee -g lucee
#  export WEBROOT=/webroot
#  chown -R lucee:lucee $WEBROOT
#
#  docker container run -d --rm -p 8080:8080 --name lucee-8080 \
#    -v $WEBROOT:/srv/www/webapps/ROOT \
#    --user lucee:lucee \
#    -e LUCEE_PRESERVE_CASE=true \
#    isapir/lucee-52937

FROM tomcat:9.0-jre8-alpine

# Set default LUCEE_VERSION
#   Override at build time with --build-arg LUCEE_VERSION=5.2.9.37-SNAPSHOT
ARG LUCEE_VERSION=5.2.9.37-SNAPSHOT
ENV LUCEE_VERSION=${LUCEE_VERSION}

# Map a host directory for web root with
#   -v <host-web-app-directory>:/srv/www/webapps/ROOT
ENV CATALINA_BASE /srv/www
ENV CATALINA_HOME /usr/local/tomcat
ENV LUCEE_DOWNLOAD http://release.lucee.org/rest/update/provider/loader/

# Add group with gid 8080 and user with uid 8080
RUN    addgroup -S -g 8080 lucee \
    && adduser  -S -u 8080 lucee lucee

# curl needs the -L switch to follow server redirect
RUN echo Downloading Lucee ${LUCEE_VERSION}... \
	&& apk --no-cache add curl \
    && $CATALINA_HOME/bin/makebase.sh $CATALINA_BASE \
    && curl -L -o "${CATALINA_BASE}/lib/${LUCEE_VERSION}.jar" "${LUCEE_DOWNLOAD}${LUCEE_VERSION}"

# copy the files from res/tomcat to the image
COPY res/tomcat ${CATALINA_BASE}

# chwon directories inside the container to lucee:lucee
RUN    chown -R lucee:lucee ${CATALINA_HOME} \
    && chown -R lucee:lucee ${CATALINA_BASE}

USER lucee

# warmup to cut down start time; we will not see the output during warmup
# which we limit to 10s
RUN catalina.sh start \
    && sleep 10 \
    && catalina.sh stop