deps: bump python, debian

.python-version

@@ -1 +1 @@
-3.8.17
+3.9

Dockerfile

@@ -1,5 +1,5 @@
 # The builder image, used to build the virtual environment
-FROM python:3.8-buster as builder
+FROM python:3.9-bookworm as builder
 
 RUN apt-get update && \
     apt-get install -y libkrb5-dev libsasl2-dev libldap2-dev libssl-dev && \
@@ -22,9 +22,9 @@ RUN poetry install --no-root && \
     rm -rf $POETRY_CACHE_DIR
 
 # The runtime image, used to just run the code provided its virtual environment
-FROM python:3.8-slim-buster as runtime
+FROM python:3.9-slim-bookworm as runtime
 RUN apt-get update && \
-    apt-get install -y libldap2-dev krb5-user --no-install-recommends && \
+    apt-get install -y libldap2-dev krb5-user libxml2 --no-install-recommends && \
     rm -rf /var/lib/apt/lists/*
 
 COPY krb5.conf /etc/krb5.conf

poetry.lock

@@ -242,5 +242,5 @@ locale = ["Babel (>=1.3)"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "~3.8"
-content-hash = "cf39819badbc18706d7fd00121f9527f11a525eb2f5f4d6467690faf81bb0d45"
+python-versions = "~3.9"
+content-hash = "616abf1d52f6061fb3883ceba7ca4b824caedb1f9e354e5bfe4171a7a83d04b9"

pyproject.toml

@@ -6,7 +6,7 @@ authors = []
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = "~3.8"
+python = "~3.9"
 Flask = "1.1.1"
 Flask-WTF = "0.14.2"
 itsdangerous = "1.1.0"