prevent pre-releases from triggering image build

.github/workflows/build-and-push-images.yml

@@ -43,7 +43,16 @@ jobs:
       - name: Extract version from tag
         id: extract-version
         run: |
-          echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          VERSION="${GITHUB_REF_NAME#v}"
+      
+          TAGS="investbrainapp/investbrain:${VERSION},ghcr.io/investbrainapp/investbrain:${VERSION}"
+      
+          # Conditionally add 'latest' tags unless 'pre-release' is in the version
+          if [[ "${GITHUB_REF_NAME}" != *alpha* && "${GITHUB_REF_NAME}" != *beta* && "${GITHUB_REF_NAME}" != *rc* ]]; then
+            TAGS="$TAGS,investbrainapp/investbrain:latest,ghcr.io/investbrainapp/investbrain:latest"
+          fi
+      
+          echo "tags=$TAGS" >> $GITHUB_OUTPUT
 
       - name: Build and push
         uses: docker/build-push-action@v6
@@ -51,8 +60,5 @@ jobs:
           platforms: linux/amd64,linux/arm64
           file: ./docker/Dockerfile
           push: true
-          tags: |
-            investbrainapp/investbrain:latest
-            investbrainapp/investbrain:${{ env.version }}
-            ghcr.io/investbrainapp/investbrain:latest
-            ghcr.io/investbrainapp/investbrain:${{ env.version }}
+          tags: ${{ steps.extract-version.outputs.tags }}
+