version tagging on build workflow

.gitea/workflows/docker-build.yaml

@@ -21,15 +21,21 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
+      - name: Install bump2version
+        run: pip install bump2version
+
+      - name: Get current version from bump2version
+        id: version
+        run: echo "VERSION=$(bump2version --dry-run --list patch | grep current_version | sed -r s,"^.*=",,)" >> $GITHUB_ENV
+
       - name: Set Docker tag based on branch
         id: tag
         run: |
+          # master branch uses specific version tagging, others use the branch name
           if [[ "${{ gitea.ref_name }}" == "master" ]]; then
-            TAG="latest"
-          elif [[ "${{ gitea.ref_name }}" == "staging" ]]; then
-            TAG="staging"
-          elif [[ "${{ gitea.ref_name }}" == "dev" ]]; then
-            TAG="dev"
+            TAG="${{ env.VERSION }}"
+          else then
+            TAG="${{ gitea.ref_name }}"
           fi
           echo "TAG=$TAG" >> $GITHUB_ENV
 
@@ -42,5 +48,12 @@ jobs:
 
       - name: Tag & Push Docker image
         run: |
+          # Push the branch-specific or version-specific tag
           docker tag pyrss-website:${{ env.TAG }} xordk/pyrss-website:${{ env.TAG }}
           docker push xordk/pyrss-website:${{ env.TAG }}
+
+          # If on master, push an additional "latest" tag
+          if [[ "${{ gitea.ref_name }}" == "master" ]]; then
+            docker tag pyrss-website:${{ env.TAG }} xordk/pyrss-website:latest
+            docker push xordk/pyrss-website:latest
+          fi