Tag new images also with latest

.gitlab-ci.yml

@@ -27,5 +27,7 @@ php:
   script:
     - docker build --pull --build-arg ALPINE_VERSION=${ALPINE} --build-arg PHP_MAJOR_VERSION=${PHP} --build-arg VERSION=${VERSION} -t ${CI_REGISTRY_IMAGE}/php-${PHP}:${VERSION} .
     - docker push ${CI_REGISTRY_IMAGE}/php-${PHP}:${VERSION}
+    - docker tag ${CI_REGISTRY_IMAGE}/php-${PHP}:${VERSION} ${CI_REGISTRY_IMAGE}/php-${PHP}:latest
+    - docker push ${CI_REGISTRY_IMAGE}/php-${PHP}:latest
   only:
     - tags