Simplify gitlab-ci

.gitlab-ci.yml

@@ -1,27 +1,14 @@
 ---
-default:
-  image: docker:latest
-  services:
-    - docker:dind
-  before_script:
-    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
-
 stages:
   - linting
-  - build
   - release
 
 variables:
   EXECUTABLE_NAME: dockup
   IMAGE_NAME: ${CI_REGISTRY_IMAGE}
-  SHORT_SHA: ${CI_COMMIT_SHORT_SHA}
-  DATE_TAG: $(date +%Y%m%d-%H%M%S)
-  SEMVER: "1.2.3"
 
-linting:
   stage: linting
   image: python:latest
-  before_script: []
   script:
     - pip install -r requirements.txt
     - pip install isort black flake8 pylint
@@ -31,40 +18,13 @@ linting:
     # - pylint ${EXECUTABLE_NAME} --disable=C0111
 
 build_image:
-  stage: build
-  script:
-    - docker build -t $IMAGE_NAME:$SHORT_SHA .
-    - docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:$DATE_TAG
-    
-    # For main branch builds
-    - if [ "$CI_COMMIT_BRANCH" = "main" ]; then
-        docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:latest;
-        docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:stable;
-      fi
-
-    # For release tags (v1.2.3)
-    - if [[ "$CI_COMMIT_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-        SEMVER="${CI_COMMIT_TAG#v}";
-        docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:$SEMVER;
-        docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:${SEMVER%.*};
-        docker tag $IMAGE_NAME:$SHORT_SHA $IMAGE_NAME:${SEMVER%%.*};
-      fi
-
-publish_image:
+  image: docker:latest
+  services:
+    - docker:dind
   stage: release
-  needs: [build_image]
   script:
-    - docker push $IMAGE_NAME:$SHORT_SHA
-    - docker push $IMAGE_NAME:$DATE_TAG
-    
-    - if [ "$CI_COMMIT_BRANCH" = "main" ]; then
-        docker push $IMAGE_NAME:latest;
-        docker push $IMAGE_NAME:stable;
-      fi
-
-    - if [[ "$CI_COMMIT_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-        docker push $IMAGE_NAME:$SEMVER;
-        docker push $IMAGE_NAME:${SEMVER%.*};
-        docker push $IMAGE_NAME:${SEMVER%%.*};
-      fi
+    - echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
+    - export TAG="${CI_COMMIT_TAG:-latest}" && echo $TAG
+    - docker build -t ${IMAGE_NAME}:${TAG} .
+    - docker push ${IMAGE_NAME}:${TAG}
 ...