anchor.diff:  .Dockerfile:
   [source, dockerfile]
   ----
  -FROM quay.io/keycloak/keycloak-x:latest as builder
  +FROM quay.io/keycloak/keycloak:latest as builder
   
   ENV KC_METRICS_ENABLED=true
   ENV KC_FEATURES=token-exchange
   ENV KC_DB=postgres
   RUN /opt/keycloak/bin/kc.sh build
   
  -FROM quay.io/keycloak/keycloak-x:latest
  +FROM quay.io/keycloak/keycloak:latest
   COPY --from=builder /opt/keycloak/lib/quarkus/ /opt/keycloak/lib/quarkus/
   WORKDIR /opt/keycloak
   # for demonstration purposes only, please make sure to use proper certificates in production instead
  
positive.code: ----
  podman|docker run --name keycloak_test -p 8080:8080 \
          -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=change_me \
          quay.io/keycloak/keycloak-x:latest \
          start-dev
  ----
  
  
negative.code: ----
  podman|docker run --name keycloak_auto_build -p 8080:8080 \
          -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=change_me \
          quay.io/keycloak/keycloak:latest \
          start \
          --auto-build \
          --db=postgres --features=token-exchange \
  