Update to debian bookworm

Signed-off-by: Jan Dittrich <[email protected]>

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Updated dependencies
+- Use upstream apt repository of postgresql instead of the debian one.
+- Switch from debian bullseye to debian bookworm
 
 ## [0.5.0] - 2023-02-07
 ### Added

Dockerfile

@@ -1,13 +1,20 @@
-FROM docker.io/library/python:3.9.18-bullseye 
+FROM docker.io/library/python:3.9.19-bookworm
 
 LABEL jan-di.database-backup.instance_id="default"
 
+# Add postgresql repository
+RUN set -eu; \
+    mkdir -p /etc/apt/keyrings; \
+    wget --quiet -O /etc/apt/keyrings/pgdg.asc https://www.postgresql.org/media/keys/ACCC4CF8.asc; \
+    sh -c 'echo "deb [signed-by=/etc/apt/keyrings/pgdg.asc] https://apt.postgresql.org/pub/repos/apt bookworm-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+
 ENV PYTHONFAULTHANDLER=1 \
     PYTHONUNBUFFERED=1
 
+# Install apt packages
 RUN set -eux; \
     apt-get update; \
-    apt-get install -y mariadb-client postgresql-client tzdata; \
+    apt-get install -y mariadb-client postgresql-client-16 tzdata; \
     apt-get clean; \
     rm -rf /var/lib/apt/lists/*; \
     mkdir -p /dump