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Custom Keycloak Server

Simple example for creating a custom Quarkus based Keycloak Distribution with 0 known CVEs.

Features

  • Create a custom Quarkus based Keycloak Distribution and Docker Image
  • Support for using your own extensions and themes
  • Support for removing unwanted Quarkus Extensions via maven dependency excludes
  • Support for latest patch levels for libraries with known CVEs
  • Support for secure Docker image based on alpine to avoid CVEs in base image.

An example for a Image scan with aqasec/trivy shows that this project can produce a custom Keycloak docker image with 0 known CVEs.

Build

Build custom distribution

mvn clean verify

Build with Integration Tests

mvn clean verify -Pwith-integration-tests

Build docker image

mvn clean verify docker:build

Build docker image with Zero (known) CVEs

Checkout the zero-cves Branch

git checkout zero-cves

or perform the following steps yourself:

  • Uncomment the h2 exclusions from the dependency section in the the pom.xml file.
  • Uncomment the db setting in src/main/resources/META-INF/keycloak.conf and set an appropriate value, e.g. postgres.

Then run the following command to build the image (defaults to thomasdarimont/custom-keycloakx:1.0.0-SNAPSHOT):

mvn clean verify docker:build -Ddocker.file=keycloak/Dockerfile.alpine

Scan

Scan the image with Aquasec Trivy

Before running the command below, ensure that the custom keycloak docker image was build successfuly.

java bin/scanImage.java --verbose --image-name=thomasdarimont/custom-keycloakx:1.0.0-SNAPSHOT

Run

Run the custom distribution directly

The following example command shows how to run the custom Keycloak distribution against a postgres instance accessible on 127.0.0.1.

target/keycloak-*/bin/kc.sh \
   start \
   --http-enabled=true \
   --http-relative-path=auth \
   --hostname-strict=false \
   --hostname-strict-https=false \
   --db=postgres \
   --db-url-host=127.0.0.1 \
   --db-url-database=keycloak \
   --db-username=keycloak \
   --db-password=keycloak

Run the docker image

The following example command shows how to run the custom docker image against a postgres instance accessible on the docker host via 172.17.0.1 in this case.

docker run --rm -it \
    -p 8080:8080 \
    -e KEYCLOAK_ADMIN=keycloak \
    -e KEYCLOAK_ADMIN_PASSWORD=keycloak \
    thomasdarimont/custom-keycloakx:1.0.0-SNAPSHOT \
    start \
   --auto-build \
   --http-enabled=true \
   --http-relative-path=auth \
   --hostname-strict=false \
   --hostname-strict-https=false \
   --db=postgres \
   --db-url-host=172.17.0.1 \
   --db-url-database=keycloak \
   --db-username=keycloak \
   --db-password=keycloak