Change: Adjust building the build container image for semver releases

The gvmd repository will use semver in future as the scanner repos do
now too. Therefore adjust the workflow for building and uploading the
gvmd build image.

.docker/build.Dockerfile

@@ -1,5 +1,5 @@
 # Define ARG we use through the build
-ARG VERSION=edge
+ARG VERSION=stable
 
 # We want gvm-libs to be ready so we use the build docker image of gvm-libs
 FROM greenbone/gvm-libs:$VERSION

.github/workflows/build-container.yml

@@ -2,13 +2,15 @@ name: Build Container Image Builds
 
 on:
   push:
-    branches: [ main, stable, oldstable ]
+    branches:
+      - main
     tags: ["v*"]
     paths:
       - .github/workflows/build-container.yml
       - .docker/build.Dockerfile
   pull_request:
-    branches: [ main, stable, oldstable ]
+    branches:
+      - main
     paths:
       - .github/workflows/build-container.yml
       - .docker/build.Dockerfile
@@ -25,6 +27,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - uses: greenbone/actions/is-latest-tag@v2
+        id: latest
       - name: Setup container meta information
         id: meta
         uses: docker/metadata-action@v4
@@ -35,15 +39,20 @@ jobs:
             org.opencontainers.image.base.name=debian/stable-slim
           flavor: latest=false # no latest container tag for git tags
           tags: |
-            # create container tag for git tags
-            type=ref,event=tag
+            # use version, major.minor and major  for tags
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+
+            # use edge for default branch
+            type=edge
+
+            # set label for non-published pull request builds
             type=ref,event=pr
-            # use latest for stable branch
-            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'stable') }}
-            type=raw,value=stable,enable=${{ github.ref == format('refs/heads/{0}', 'stable') }}
-            type=raw,value=oldstable,enable=${{ github.ref == format('refs/heads/{0}', 'oldstable') }}
-            # use unstable for main branch
-            type=raw,value=unstable,enable={{is_default_branch}}
+
+            # when a new git tag is created set stable and a latest tags
+            type=raw,value=latest,enable=${{ steps.latest.outputs.is-latest-tag == 'true' }}
+            type=raw,value=stable,enable=${{ steps.latest.outputs.is-latest-tag == 'true' }}
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v2