simplified helm chart

.github/workflows/chart-test.yaml

@@ -10,18 +10,28 @@ on:
 jobs:
   lint:
     runs-on: ubuntu-20.04
-    container: ghcr.io/chgl/kube-powertools:latest
+    container: quay.io/helmpack/chart-testing:v3.4.0
     steps:
+      - name: Install helm-docs
+        working-directory: /tmp
+        env:
+          HELM_DOCS_URL: https://github.com/norwoodj/helm-docs/releases/download/v1.5.0/helm-docs_1.5.0_Linux_x86_64.tar.gz
+        run: |
+          curl -LSs $HELM_DOCS_URL | tar xz && \
+          mv ./helm-docs /usr/local/bin/helm-docs && \
+          chmod +x /usr/local/bin/helm-docs && \
+          helm-docs --version
+
       - name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: Update dependencies
-        run: find charts/ ! -path charts/ -maxdepth 1 -type d -exec helm dependency update {} \;
+
+      - name: Check if documentation is up-to-date
+        run: helm-docs && git diff --exit-code HEAD
+
       - name: Run chart-testing (lint)
-        run: ct lint --config .github/ct/ct.yaml
-      - name: Run Powerlint
-        run: chart-powerlint.sh
+        run: ct lint --config .github/ct/config.yaml
 
   test:
     runs-on: ubuntu-20.04
@@ -32,24 +42,27 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
+
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
-          version: v3.5.2
-      - uses: actions/setup-python@v2
-        with:
-          python-version: 3.9
+          version: v3.7.0
+
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.0.1
+        uses: helm/chart-testing-action@v2.1.0
+
       - name: Run chart-testing (list-changed)
         id: list-changed
         run: |
-          changed=$(ct list-changed)
+          changed=$(ct list-changed --config .github/ct/config.yaml)
           if [[ -n "$changed" ]]; then
             echo "::set-output name=changed::true"
           fi
+
       - name: Create k8s Kind Cluster
-        uses: helm/kind-action@v1.1.0
+        uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
+
       - name: Run chart-testing (install)
-        run: ct install --config .github/ct/ct.yaml
+        run: ct install --config .github/ct/config.yaml
+        if: steps.list-changed.outputs.changed == 'true'