add: add cache docker registry

.gitlab-common-ci.yml

 variables:
   MAVEN_OPTS: "-Dhttps.protocols=TLSv1.2 -Dmaven.repo.local=$CI_PROJECT_DIR/.m2/repository -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true"
   MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
+  DOCKER_AUTH_CONFIG: '{ "auths": "docker-io-remote.artifactory.ippon.fr": { "auth": "Y2xvdWQtY2hhbGxlbmdlOkpAN2NmcFlYZ2V0R2RMaGo=" } } }'
+  DOCKER_OPTS: " --insecure-registry docker-io-remote.artifactory.ippon.fr"
 
 cache:
   paths:
@@ -10,7 +12,7 @@ stages:
   - build
 
 .java-parent:
-  image: maven:3.8.1-openjdk-16-slim
+  image: docker-io-remote.artifactory.ippon.fr/maven:3.8.1-openjdk-16-slim
   stage: build
   tags:
     - docker
@@ -43,7 +45,10 @@ stages:
 
 .jhipster:
   stage: build
-  image: jhipster/jhipster:v6.10.1
+  image: $DOCKER_REGISTRY/jhipster/jhipster:v6.10.1
+  variables:
+    DOCKER_HOST: tcp://docker:2375
+    DOCKER_TLS_CERTDIR: ""
   services:
     - docker:19.03.8-dind
   tags: