tests(compatibility): add minimal docker compose to quickly test against a specifi Python version

Author: Guts

tests/fixtures/test-build-min-python.dockerfile

@@ -0,0 +1,10 @@
+# Reference: https://squidfunk.github.io/mkdocs-material/getting-started/#with-docker
+FROM python:3.8.19
+
+COPY . .
+
+RUN python3 -m pip install --no-cache-dir -U pip setuptools wheel \
+    && python3 -m pip install --no-cache-dir -U -r requirements/documentation.txt \
+    && python3 -m pip install --no-cache-dir .
+
+RUN mkdocs build