Merge pull request PowerDNS#13 from romeroalx/use-python-bullseye-image

Use python:3.11-bullseye as base for debian 11 builds

Author: romeroalx

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

@@ -17,9 +17,11 @@ jobs:
           - rel/dnsdist-1.9.x
         image:
           - id: debian-11-pdns-base
-            debian-release: bullseye-slim
+            debian-image-name: python
+            debian-image-tag: 3.11-slim-bullseye
           - id: debian-12-pdns-base
-            debian-release: bookworm-slim
+            debian-image-name: debian
+            debian-image-tag: bookworm-slim
       fail-fast: false
     runs-on: ubuntu-22.04
     permissions:
@@ -36,7 +38,8 @@ jobs:
         run: |
           docker build . --file Dockerfile \
             --tag ${{ env.image-id-lowercase }}:${{ env.image-tag }} \
-            --build-arg DEBIAN_IMAGE_TAG=${{ matrix.image.debian-release }} \
+            --build-arg DEBIAN_IMAGE_NAME=${{ matrix.image.debian-image-name }} \
+            --build-arg DEBIAN_IMAGE_TAG=${{ matrix.image.debian-image-tag }} \
             --build-arg REPO_BRANCH=${{ matrix.branch-name }}
 
       - name: Login to GitHub Container Registry

Dockerfile

@@ -1,5 +1,6 @@
+ARG DEBIAN_IMAGE_NAME
 ARG DEBIAN_IMAGE_TAG
-FROM debian:${DEBIAN_IMAGE_TAG}
+FROM ${DEBIAN_IMAGE_NAME}:${DEBIAN_IMAGE_TAG}
 
 ARG REPO_HOME=/home/runner
 ARG REPO_BRANCH=master