Resolve "Improve pipeline speed"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Closes #126 (closed)

build/ci/.build-container.yml

 variables:
   DOCKER_TLS_CERTDIR: "/certs"
 
-.build: &build
+build-docker:
   before_script:
     - echo "override global before script"
   stage: build
@@ -9,49 +9,32 @@ variables:
   needs: []
   tags:
     - shell-builder
-  script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - docker build --build-arg GITLAB_USER=$GO_MODULES_USER --build-arg GITLAB_TOKEN=$GO_MODULES_ACCESS_TOKEN --build-arg BUILDARGS=$BUILDARGS -t $DOCKER_IMAGE_SHA .
-    - docker push $DOCKER_IMAGE_SHA
-    - docker tag $DOCKER_IMAGE_SHA $TAG
-    - docker push $TAG
-    - docker build --target installer --build-arg GITLAB_USER=$GO_MODULES_USER --build-arg GITLAB_TOKEN=$GO_MODULES_ACCESS_TOKEN --build-arg BUILDARGS=$BUILDARGS -t registry.code.fbi.h-da.de/cocsn/gosdn:testing_${CI_PIPELINE_ID} .
-    - docker push registry.code.fbi.h-da.de/cocsn/gosdn:testing_${CI_PIPELINE_ID}
 
-build:develop:
-  variables:
-    TAG: $CI_REGISTRY_IMAGE:develop
-    BUILDARGS: -race
   rules:
     - if: $CI_COMMIT_BRANCH == "develop" && $CI_NIGHTLY == null
-  <<: *build
-
-build:nightly:develop:
-  variables:
-    TAG: $CI_REGISTRY_IMAGE:nightly-develop
-    BUILDARGS: -race
-  rules:
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:develop
+        BUILDARGS: -race
     - if: $CI_NIGHTLY == "develop"
-  <<: *build
-
-build:nightly:
-  variables:
-    TAG: $CI_REGISTRY_IMAGE:nightly
-  rules:
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:nightly-develop
+        BUILDARGS: -race
     - if: $CI_NIGHTLY == "mainline"
-  <<: *build
-
-build:merge-request:
-  variables:
-    TAG: $CI_REGISTRY_IMAGE:merge-request
-    BUILDARGS: -race
-  rules:
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:nightly
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-  <<: *build
-
-build:latest:
-  variables:
-    TAG: $CI_REGISTRY_IMAGE:latest
-  rules:
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:merge-request
+      BUILDARGS: -race
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_NIGHTLY == null
-  <<: *build
\ No newline at end of file
+      variables:
+        TAG: $CI_REGISTRY_IMAGE:latest
+      
+  script:
+   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+   - docker build --build-arg GITLAB_USER=$GO_MODULES_USER --build-arg GITLAB_TOKEN=$GO_MODULES_ACCESS_TOKEN --build-arg BUILDARGS=$BUILDARGS -t $DOCKER_IMAGE_SHA .
+   - docker push $DOCKER_IMAGE_SHA
+   - docker tag $DOCKER_IMAGE_SHA $TAG
+   - docker push $TAG
+   - docker build --target installer --build-arg GITLAB_USER=$GO_MODULES_USER --build-arg GITLAB_TOKEN=$GO_MODULES_ACCESS_TOKEN --build-arg BUILDARGS=$BUILDARGS -t registry.code.fbi.h-da.de/cocsn/gosdn:testing_${CI_PIPELINE_ID} .
+   - docker push registry.code.fbi.h-da.de/cocsn/gosdn:testing_${CI_PIPELINE_ID}
\ No newline at end of file