ci: publish helm chart to GHCR and Docker Hub

.github/PULL_REQUEST_TEMPLATE.md

@@ -25,16 +25,19 @@ very quickly. Please check the results. We would like these checks to pass befor
 even continue reviewing your changes.
 -->
 
-#### What this PR does / why we need it:
+#### What this PR does / why we need it
 
 #### Which issue this PR fixes
+
 *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*
-  - fixes #
 
-#### Special notes for your reviewer:
+- fixes #
+
+#### Special notes for your reviewer
 
 #### Checklist
+
 [Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]
+
 - [ ] [DCO](https://github.com/helm/charts/blob/master/CONTRIBUTING.md#sign-your-work) signed
-- [ ] Chart Version bumped
 - [ ] Variables are documented in the README.md

.github/workflows/pr.yml

@@ -0,0 +1,30 @@
+name: Lint & Test Chart
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  chart-testing:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          fetch-depth: 0
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@0d28d3144d3a25ea2cc349d6e59901c4ff469b3b # v2.7.0
+      - name: Run lint check
+        id: lint
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+      - name: Create kind cluster
+        if: steps.lint.outcome == 'success'
+        uses: helm/kind-action@a1b0e391336a6ee6713a0583f8c6240d70863de3 # v1.12.0
+      - name: Run chart-testing (install)
+        if: steps.lint.outcome == 'success'
+        run: |
+          ct install --target-branch ${{ github.event.repository.default_branch }} --helm-extra-args --timeout 180s

.github/workflows/publish.yml

@@ -0,0 +1,60 @@
+name: publish-postgresql-helm-chart
+
+on:
+  push:
+    branches: ['master']
+    paths:
+      - 'templates/**'
+      - 'Chart.yaml'
+
+jobs:
+  build-and-push-postgresql-helm-chart-to-ghcr:
+    name: Build and push PostgreSQL Helm chart to GHCR
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+      - name: Package and upload chart
+        shell: bash
+        env:
+          REGISTRY: "ghcr.io"
+          REPOSITORY: "${{ github.repository }}"
+          TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          USER: "${{ github.repository_owner }}"
+        run: |
+          rm -rf dist
+          mkdir dist
+          helm package . -d dist/
+          echo "${TOKEN}" | helm registry login "${REGISTRY}/${REPOSITORY,,}" -u "${USER}" --password-stdin
+          helm push dist/*.tgz "oci://${REGISTRY}/${REPOSITORY,,}/charts"
+
+  build-and-push-postgresql-helm-chart-to-dockerhub:
+    name: Build and push PostgreSQL Helm chart to Docker Hub
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+      - name: Package chart
+        shell: bash
+        run: |
+          rm -rf dist
+          mkdir dist
+          helm package . -d dist/
+      - name: Login and push to Docker Hub
+        shell: bash
+        env:
+          REGISTRY: "docker.io"
+          USERNAME: "${{ secrets.DOCKER_HUB_USERNAME }}"
+          PASSWORD: "${{ secrets.DOCKER_HUB_TOKEN }}"
+          REPOSITORY: "applause/postgresql"
+        run: |
+          echo "${PASSWORD}" | helm registry login "${REGISTRY}" -u "${USERNAME}" --password-stdin
+          helm push dist/*.tgz "oci://${REGISTRY}/${REPOSITORY}"