ARG jdkImage

FROM ${jdkImage}
ARG version
ARG baseDownloadUrl

# Create a user and group used to launch processes
# The user ID 1000 is the default for the first "regular" user on Fedora/RHEL,
# so there is a high chance that this ID will be equal to the current user
# making it easier to use volumes (no permission issues)
RUN groupadd -r jboss -g 1000 && useradd -u 1000 -r -g jboss -m -d /opt/jboss -s /sbin/nologin -c "JBoss user" jboss && \
    chmod 755 /opt/jboss

# Set the working directory to jboss' user home directory
WORKDIR /opt/jboss

# Specify the user which should be used to execute all commands below
USER jboss

# Set the WILDFLY_VERSION env variable
ENV WILDFLY_VERSION=${version}
ENV DOWNLOAD_URL=${baseDownloadUrl}.tar.gz
ENV JBOSS_HOME /opt/jboss/wildfly

USER root
RUN echo curl -O -L $DOWNLOAD_URL
# Add the WildFly distribution to /opt, and make wildfly the owner of the extracted tar content
# Make sure the distribution is available from a well-known place
RUN cd $HOME \
    && curl -O -L $DOWNLOAD_URL \
    && tar xf wildfly-$WILDFLY_VERSION.tar.gz \
    && mv $HOME/wildfly-$WILDFLY_VERSION $JBOSS_HOME \
    && rm wildfly-$WILDFLY_VERSION.tar.gz \
    && chown -R jboss:0 ${JBOSS_HOME} \
    && chmod -R g+rw ${JBOSS_HOME}

# Ensure signals are forwarded to the JVM process correctly for graceful shutdown
ENV LAUNCH_JBOSS_IN_BACKGROUND true

USER jboss

# Expose the ports we're interested in
EXPOSE 8080

# Set the default command to run on boot
# This will boot WildFly in the standalone mode and bind to all interface
CMD ["/opt/jboss/wildfly/bin/standalone.sh", "-b", "0.0.0.0"]

COPY app.war /opt/jboss/wildfly/standalone/deployments/
