ARG KEYCLOAK_VERSION FROM quay.io/keycloak/keycloak:${KEYCLOAK_VERSION} as builder RUN /opt/keycloak/bin/kc.sh build --features-disabled=impersonation --db=postgres FROM quay.io/keycloak/keycloak:${KEYCLOAK_VERSION} WORKDIR /opt/keycloak COPY --from=builder /opt/keycloak/ /opt/keycloak/ ENV KC_DB_URL=keycloak_db ENTRYPOINT ["/opt/keycloak/bin/kc.sh"] CMD ["start", "--optimized"]