Enable customer branches

.github/workflows/customer-docker.yml

@@ -0,0 +1,51 @@
+name: Customer Docker images
+
+on:
+  push:
+    branches:
+     - 'customer-*'
+  pull_request:
+    branches:
+     - 'customer-*'
+
+jobs:
+  docker-build:
+    strategy:
+      matrix:
+        runner: [ubicloud]
+    runs-on: ${{ matrix.runner }}
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - uses: depot/setup-action@v1
+
+      - name: Login to GitHub Container Registry
+        uses: docker/[email protected]
+        with:
+          registry: ghcr.io
+          username: ${{github.actor}}
+          password: ${{secrets.GITHUB_TOKEN}}
+
+      - name: Set Short Commit Hash
+        id: vars
+        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
+
+      - name: extract branch name suffix for customer
+        id: branch
+        run: echo "::set-output name=branch::$(echo ${{ github.ref }} | sed 's/customer-//g')"
+
+      - name: Build (optionally publish) PeerDB Images
+        uses: depot/bake-action@v1
+        with:
+          token: ${{ secrets.DEPOT_TOKEN }}
+          files: ./docker-bake.hcl
+          push: ${{ startsWith(github.ref, 'refs/heads/customer-') }}
+        env:
+          SHA_SHORT: dev-${{ steps.vars.outputs.sha_short }}
+          TAG: latest-${{ steps.branch.outputs.branch }}