๐Ÿ“ฅImporting the JAR of Your Theme Into Keycloak

Now that you have your theme as a .jar file, let's see how you can import it in Keycloak so that it appears in the dropdown list for selecting theme in the Keycloak Admin console.

Let's see how you would go about creating a Keycloak Docker image with your theme available.\

cd ~/github
mkdir docker-keycloak-with-theme
cd docker-keycloak-with-theme
git clone https://github.com/keycloakify/keycloakify-starter
cd keycloakify-starter
# Just to make sure these instructions remain relevant in the future
# We pin the version of the starter we are using.  
git checkout 1992a63a1629c05edfae51dd86954f9cf2457095
cd ..

cat << EOF > ./Dockerfile
FROM node:18 as keycloakify_jar_builder
RUN apt-get update && \
    apt-get install -y openjdk-17-jdk && \
    apt-get install -y maven;
COPY ./keycloakify-starter/package.json ./keycloakify-starter/yarn.lock /opt/app/
WORKDIR /opt/app
RUN yarn install --frozen-lockfile
COPY ./keycloakify-starter/ /opt/app/
RUN yarn build-keycloak-theme

FROM quay.io/keycloak/keycloak:latest as builder
WORKDIR /opt/keycloak
COPY --from=keycloakify_jar_builder /opt/app/dist_keycloak/keycloak-theme-for-kc-25-and-above.jar /opt/keycloak/providers/
RUN /opt/keycloak/bin/kc.sh build

FROM quay.io/keycloak/keycloak:latest
COPY --from=builder /opt/keycloak/ /opt/keycloak/
ENTRYPOINT ["/opt/keycloak/bin/kc.sh", "start-dev"]

docker build -t docker-keycloak-with-theme .
docker run \
    -e KEYCLOAK_ADMIN=admin \
    -p 8080:8080 \

In this Docker file we use ENTRYPOINT ["/opt/keycloak/bin/kc.sh", "start-dev"] but in production use ENTRYPOINT ["/opt/keycloak/bin/kc.sh", "start", "--optimized"]

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