add buiding base image for debian bookworm

.github/workflows/build-debian-images.yaml

@@ -0,0 +1,43 @@
+name: Build Debian images for PDNS CI
+
+on:
+  workflow_dispatch:
+  push:
+  schedule:
+    - cron: '0 23 * * *'
+
+env:
+  IMAGE_TAG: master
+
+jobs:
+  build-and-push-debian-images:
+    strategy:
+      matrix:
+        include:
+        - image-id: debian-11-pdns-base
+          debian-release-name: bullseye-slim
+        - image-id: debian-bookworm-pdns-base
+          debian-release-name: bookworm-slim
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build image
+        run: |
+          docker build . --file Dockerfile \
+            --tag ghcr.io/${{ github.repository }}/${{ matrix.image-id }}:${{ env.IMAGE_TAG }} \
+            --build-arg DEBIAN_IMAGE_TAG=${{ matrix.debian-release-name }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push into Github Container Registry
+        run: |
+          docker push ghcr.io/${{ github.repository }}/${{ matrix.image-id }}:${{ env.IMAGE_TAG }}

Dockerfile

@@ -1,4 +1,5 @@
-FROM debian:11
+ARG DEBIAN_IMAGE_TAG
+FROM debian:${DEBIAN_IMAGE_TAG}
 
 ARG REPO_HOME=/home/runner
 ARG REPO_BRANCH=master
@@ -19,8 +20,9 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get -y install \
     sudo git curl gnupg software-properties-common wget \
     ca-certificates apt-utils build-essential vim \
     iproute2 net-tools iputils-* ifupdown cmake acl \
-    npm time mariadb-client postgresql-client jq python
+    npm time mariadb-client postgresql-client jq python3
 
+# Required for auth-backend gsqlite3 tests
 RUN update-alternatives --install /usr/bin/python python /usr/bin/python3 1
 
 # Install Docker client from the official Docker repository

README.md

@@ -4,6 +4,6 @@ Based on Debian Bullseye.
 
 Clones PDNS public repo (<https://github.com/PowerDNS/>), master branch, and install common packages into a debian container.
 
-Initially, images will be built daily and will be published as private (access required).
+Images are built daily and published with open access.
 
 The image result of this process will be used by the PDNS public repo to run actions.