FROM registry.access.redhat.com/ubi9 AS ubi-micro-build ENV KEYCLOAK_VERSION 999.0.0-SNAPSHOT ARG KEYCLOAK_DIST=https://github.com/keycloak/keycloak/releases/download/$KEYCLOAK_VERSION/keycloak-$KEYCLOAK_VERSION.tar.gz RUN dnf install -y tar gzip ADD $KEYCLOAK_DIST /tmp/keycloak/ # The next step makes it uniform for local development and upstream built. # If it is a local tar archive then it is unpacked, if from remote is just downloaded. RUN (cd /tmp/keycloak && \ tar -xvf /tmp/keycloak/keycloak-*.tar.gz && \ rm /tmp/keycloak/keycloak-*.tar.gz) || true RUN mv /tmp/keycloak/keycloak-* /opt/keycloak && mkdir -p /opt/keycloak/data RUN chmod -R g+rwX /opt/keycloak ADD ubi-null.sh /tmp/ RUN bash /tmp/ubi-null.sh java-17-openjdk-headless glibc-langpack-en findutils FROM registry.access.redhat.com/ubi9-micro ENV LANG en_US.UTF-8 COPY --from=ubi-micro-build /tmp/null/rootfs/ / COPY --from=ubi-micro-build --chown=1000:0 /opt/keycloak /opt/keycloak RUN echo "keycloak:x:0:root" >> /etc/group && \ echo "keycloak:x:1000:0:keycloak user:/opt/keycloak:/sbin/nologin" >> /etc/passwd USER 1000 EXPOSE 8080 EXPOSE 8443 ENTRYPOINT [ "/opt/keycloak/bin/kc.sh" ]