ci: Improve workflow

.github/workflows/release.yaml

@@ -3,19 +3,14 @@ on:
     push:
 
 jobs:
-    release-chart:
+    test:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout
               uses: actions/checkout@v3
               with:
                   fetch-depth: 0
 
-            - name: Configure Git
-              run: |
-                  git config user.name "$GITHUB_ACTOR"
-                  git config user.email "[email protected]"
-
             - name: Set up Helm
               uses: azure/setup-helm@v1
               with:
@@ -25,8 +20,26 @@ jobs:
               working-directory: helm/sni-router
               run: helm lint ./
 
+            - name: Template and default values check
+              working-directory: helm/sni-router
+              run: helm template ./
+
+    release-chart:
+        runs-on: ubuntu-latest
+        needs: ["test"]
+        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v3
+              with:
+                  fetch-depth: 0
+
+            - name: Configure Git
+              run: |
+                  git config user.name "$GITHUB_ACTOR"
+                  git config user.email "[email protected]"
+
             - name: Publish Helm chart
-              if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
               uses: stefanprodan/helm-gh-pages@master
               with:
                   token: "${{ secrets.GH_RW_TOKEN }}"
@@ -40,4 +53,4 @@ jobs:
                   commit_email: "${{ env.GITHUB_ACTOR }}@users.noreply.github.com"
 
                   app_version: "${{github.ref_name}}"
-                  chart_version: "${{github.ref_name}}"
+                  chart_version: "${{github.ref_name}}"