build server image for more tags with server- prefix

.github/workflows/server.yml

@@ -3,9 +3,9 @@ name: Server Image
 on:
   push:
     branches:
-      - master
+    - master
     tags:
-      - server-v[0-9].[0-9].[0-9]+
+    - server-v[0-9]+.[0-9]+.[0-9]+*
 env:
   PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7
 
@@ -16,7 +16,6 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - name: Set up Docker Buildx
@@ -28,36 +27,23 @@ jobs:
           key: ${{ runner.os }}-buildx-${{ github.ref }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
-
-      - name: Determine tag or commit
-        uses: haya14busa/action-cond@v1
-        id: refortag
-        with:
-          cond: ${{ startsWith(github.ref, 'refs/tags/') }}
-          if_true: ${{ github.ref }}
-          if_false: latest
       - name: Determine image tag
         id: imagetag
-        run: echo "::set-output name=value::$(echo ${TAG_OR_BRANCH##*/}| sed 's/server-//g')"
-        env:
-          TAG_OR_BRANCH: ${{ steps.refortag.outputs.value }}
-      - name: Path from tag
-        id: pathfromtag
-        run: echo "::set-output name=value::$(echo $TAG | sed -E 's/^(v[0-9]+\.v[0-9]+\.[0-9]+).*/\1/')"
+        run: echo "::set-output name=value::$(if [ $REF_TYPE = tag ]; then echo $REF_NAME | sed 's/server-//g'; elif [ $REF_NAME = master ]; then echo latest; else echo $REF_NAME; fi)"
         env:
-          TAG: ${{ steps.imagetag.outputs.value }}
+          REF_NAME: ${{ github.ref_name }}
+          REF_TYPE: ${{ github.ref_type }}
       - name: Build Server
         uses: docker/build-push-action@v2
         with:
           context: tunnel/
-          tags: ghcr.io/banzaicloud/kurun-server:${{ steps.pathfromtag.outputs.value }}
+          tags: ghcr.io/banzaicloud/kurun-server:${{ steps.imagetag.outputs.value }}
           file: tunnel/Dockerfile.server
           platforms: ${{ env.PLATFORMS }}
           push: true