Add Helm chart for postgresql-cluster

.github/workflows/docker-build-pgpool.yml

@@ -0,0 +1,57 @@
+name: CI - pgpool
+run-name: Build container image for PgPool
+
+
+on: 
+  push:
+    #paths:
+    #- 'postgresql-cluster'
+    branches:
+    - 'pgpool'
+    tags:
+    - '0.*'
+    - '1.*'
+
+permissions:
+  actions: read
+  checks: read
+  contents: read
+  packages: write
+  repository-projects: read
+  statuses: read
+
+jobs:
+
+  build_image:
+    runs-on: ubuntu-22.04
+    env:
+      pgpool_version: "4.4"
+    steps:
+    - uses: actions/checkout@v3
+    - run: |-
+        git submodule init postgresql-cluster
+        git submodule update postgresql-cluster
+    - run: ls -hal postgresql-cluster
+    - uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - uses: docker/metadata-action@v4
+      id: meta
+      with:
+        images: |
+          ghcr.io/eosc-lot-1/pgpool
+    - uses: docker/setup-buildx-action@v3
+      with:
+        driver: docker
+    - uses: docker/build-push-action@v5
+      with:
+        context: ./postgresql-cluster/pgpool/redhat/
+        file: postgresql-cluster/pgpool/redhat/Dockerfile
+        #buildArgs: |-
+        push: true
+        tags: |
+          ghcr.io/eosc-lot-1/pgpool:${{ env.pgpool_version }}-redhat
+        labels: ${{ steps.meta.outputs.labels }}
+

.gitmodules

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+[submodule "postgresql-cluster"]
+	path = postgresql-cluster
+	url = https://github.com/OpertusMundi/postgresql-cluster.helm