changed to the current one-stage default ci config

.gitlab-ci.yml

@@ -1,16 +1,15 @@
-image: docker:19
+image: docker:19.03
 services:
-  - docker:19-dind
+  - docker:19.03-dind
 variables:
   DOCKER_DRIVER: overlay
   DOCKER_TLS_CERTDIR: ""
 stages:
   - buildx
-  - build
-  - push
+  - deploy
 
 buildx:
-  image: docker:19-git
+  image: docker:19.03-git
   stage: buildx
   variables:
     GIT_STRATEGY: none
@@ -19,63 +18,28 @@ buildx:
       - buildx
     expire_in: 1 hour
   services:
-    - docker:19-dind
+    - docker:19.03-dind
   script:
     - export DOCKER_BUILDKIT=1
     - git clone git://github.com/docker/buildx ./docker-buildx
     - docker build --platform=local -o . ./docker-buildx
 
-build:
-  image: docker:19
-  stage: build
+deploy:
+  image: docker:19.03
+  stage: deploy
   services:
-    - name: docker:19-dind
+    - name: docker:19.03-dind
       command: ["--experimental"]
   before_script:
     - mkdir -p ~/.docker/cli-plugins
     - mv buildx ~/.docker/cli-plugins/docker-buildx
     - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
   variables:
-    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker buildx create --use --name mybuilder
     - docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 --push -t $IMAGE_TAG .
-
-Push latest:
-  services:
-    - name: docker:19-dind
-      command: ["--experimental"]
-  variables:
-    # We are just playing with Docker here. 
-    # We do not need GitLab to clone the source code.
-    GIT_STRATEGY: none
-  stage: push
-  only:
-    # Only "main" should be tagged "latest"
-    - main
-  script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    # Because we have no guarantee that this job will be picked up by the same runner 
-    # that built the image in the previous step, we pull it again locally
-    - docker pull --platform linux/amd64,linux/arm64,linux/arm/v7 $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
-    # Then we tag it "latest"
-    - docker tag --platform linux/amd64,linux/arm64,linux/arm/v7 $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME $CI_REGISTRY_IMAGE:latest
-    # Annnd we push it.
-    - docker push --platform linux/amd64,linux/arm64,linux/arm/v7 $CI_REGISTRY_IMAGE:latest
-
-# Finally, the goal here is to Docker tag any Git tag
-# GitLab will start a new pipeline everytime a Git tag is created, which is pretty awesome
-Push tag:
-  variables:
-    # Again, we do not need the source code here. Just playing with Docker.
-    GIT_STRATEGY: none
-  stage: push
-  only:
-    # We want this job to be run on tags only.
-    - tags
-  script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
-    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
-    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+    - docker pull $IMAGE_TAG
+    - docker tag $IMAGE_TAG $CI_REGISTRY_IMAGE:latest
+    - docker push $CI_REGISTRY_IMAGE:latest