Modified Keycloak image to use the base image.

# CentOS 7 replica of jboss/keycloak (https://hub.docker.com/r/jboss/keycloak/dockerfile)

FROM centos:7.8.2003

ARG ESGF_REPOSITORY_BASE=esgfdeploy

ARG ESGF_IMAGES_VERSION=latest

FROM ${ESGF_REPOSITORY_BASE}/base:${ESGF_IMAGES_VERSION}

ENV KEYCLOAK_VERSION 11.0.0

ENV JDBC_POSTGRES_VERSION 42.2.5

USER root

RUN yum update -y && yum install -y glibc-langpack-en gzip hostname java-11-openjdk-headless openssl tar which git && yum clean all

# General yum upgrade and openssl install is handled in the base image

RUN yum install -y glibc-langpack-en gzip hostname java-11-openjdk-headless tar which git && yum clean all

RUN git clone https://github.com/keycloak/keycloak-containers.git --depth 1 --branch $KEYCLOAK_VERSION /usr/local/keycloak-containers

RUN mkdir -p /opt/jboss

RUN cp -r /usr/local/keycloak-containers/server/tools /opt/jboss/

RUN /opt/jboss/tools/build-keycloak.sh

RUN mkdir /docker-init.d && cp /opt/jboss/tools/docker-entrypoint.sh /docker-init.d/keycloak-entrypoint.sh

USER 1000

EXPOSE 8080

EXPOSE 8443

ENTRYPOINT [ "/opt/jboss/tools/docker-entrypoint.sh" ]

CMD ["-b", "0.0.0.0"]

# Building the image

```docker build -t esgf/keycloak .```

# Running a container

```

docker container run -d --name keycloak \

  -p 8080:8080 \

  -e KEYCLOAK_USER=admin \

  -e KEYCLOAK_PASSWORD=secret \

  esgf/keycloak

```