docs(build): custom docker image to build docs

docs/Dockerfile

@@ -1,5 +1,24 b''
-FROM sphinxdoc/sphinx
+FROM python:3.12.0-bullseye
 
 WORKDIR /project
+
+RUN apt-get update \
+ && apt-get install --no-install-recommends --yes \
+      curl \
+      zip \
+      graphviz \
+      imagemagick \
+      make \
+ && apt-get autoremove \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
+
+RUN \
+    python3 -m pip install --no-cache-dir --upgrade pip && \
+    python3 -m pip install --no-cache-dir Sphinx Pillow
+
 ADD requirements_docs.txt /project
-RUN pip3 install -r requirements_docs.txt
+RUN \
+    python3 -m pip install -r requirements_docs.txt
+
+CMD ["sphinx-build", "-M", "html", ".", "_build"]