CI: Add push latest tag on master

.gitlab-ci.yml

@@ -6,13 +6,16 @@
 stages:
 #- test
 - build
-#- push_local
+- push_local
 - release
 #- push_dockerhub
 
 build:
   image: docker:24.0.7-dind
   stage: build
+  only:
+    refs:
+    - tags
   services:
     -  name: docker:24.0.7-dind
        command: ["--tls=false"]
@@ -51,3 +54,26 @@ release:
   artifacts:
     paths:
     - CHANGELOG.md
+
+push local:
+  image: docker:24.0.7-dind
+  stage: push_local
+  services:
+    -  name: docker:24.0.7-dind
+       command: ["--tls=false"]
+  variables:
+    DOCKER_DRIVER: overlay2
+    DOCKER_HOST: tcp://docker:2375
+    DOCKER_TLS_CERTDIR: ""
+    GIT_STRATEGY: none
+    FF_GITLAB_REGISTRY_HELPER_IMAGE: 1
+  only:
+  - master
+  script:
+    - echo $CI_COMMIT_TAG
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
+    - docker push $CI_REGISTRY_IMAGE:latest
+
+