fix: uwsgi has version mismatches with precompiled python libs

Instead of using libxml2 we can use expat with uwsgi which avoids the version
mismatch with precompiled python libraries.

Also ssl is not terminated by uwsgi, so the feature can be disabled.

Refs: HP-2655

Dockerfile

@@ -9,6 +9,7 @@ FROM helsinkitest/python-node:3.9-14-slim AS staticbuilder
 RUN apt-install.sh \
       libxmlsec1-dev \
       libxml2-dev \
+      libexpat1-dev \
       pkg-config \
       git \
       curl \
@@ -48,17 +49,18 @@ RUN apt-install.sh \
       git \
       libxmlsec1-dev \
       libxml2-dev \
+      libexpat1-dev \
       netcat-openbsd \
       pkg-config \
     && pip install -U pip setuptools wheel \
     && pip install --no-cache-dir  -r /app/requirements.txt \
-    && pip install --no-cache-dir  -r /app/requirements-prod.txt \
+    && UWSGI_PROFILE_OVERRIDE="ssl=false;xml=expat" pip install --no-cache-dir  -r /app/requirements-prod.txt \
     && apt-cleanup.sh build-essential pkg-config
 
 COPY docker-entrypoint.sh /app
 ENTRYPOINT ["./docker-entrypoint.sh"]
 
-# STore static files under /var to not conflict with development volume mount
+# Store static files under /var to not conflict with development volume mount
 ENV STATIC_ROOT /var/tunnistamo/static
 ENV MEDIA_ROOT /var/tunnistamo/media
 ENV NODE_MODULES_ROOT /var/tunnistamo/node_modules