Merge branch 'update_docker_image_workflow' into 'registry'

Update docker image workflow

See merge request remyj38/hugo!1

.gitlab-ci.yml

@@ -4,11 +4,18 @@ image: docker:latest
 # improved performance.
 variables:
   DOCKER_DRIVER: overlay
-  IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+  IMAGE_NAME: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+  IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
 
 services:
 - docker:dind
 
+stages:
+  - build
+  - test
+  - cleanup
+  - deploy
+
 before_script:
   - docker info
   - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
@@ -16,5 +23,20 @@ before_script:
 build:
   stage: build
   script:
-    - docker build -t $IMAGE_TAG .
-    - docker push $IMAGE_TAG
+    - docker build -t $IMAGE_NAME .
+    - docker push $IMAGE_NAME
+
+test:
+  stage: test
+  script:
+    - docker pull $IMAGE_NAME
+    - docker run -v `pwd`:/git $IMAGE_NAME /bin/sh -c "wget -qO- https://fedoraproject.org/static/hotspot.txt | grep OK && cd /git && hugo"
+
+deploy:
+  stage: deploy
+  script:
+    - docker pull $IMAGE_NAME
+    - docker tag $IMAGE_NAME $IMAGE_LATEST
+    - docker push $IMAGE_LATEST
+  only:
+    - tags