Added a github workflow option for CI

{{cookiecutter.project_slug}}/compose/local/docs/Dockerfile

@@ -1,62 +1,28 @@
-# Python build stage
+FROM python:3.8-slim-buster
-FROM python:3.8-slim-buster as python-build-stage
 
-ENV PYTHONDONTWRITEBYTECODE 1
-
-
-
-RUN apt-get update && apt-get install --no-install-recommends -y \
-  # dependencies for building Python packages
-  build-essential \
-  # psycopg2 dependencies
-  libpq-dev \
-  # cleaning up unused files
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-  && rm -rf /var/lib/apt/lists/*
-
-
-# Requirements are installed here to ensure they will be cached.
-COPY ./requirements /requirements
-
-# create python dependency wheels
-RUN pip wheel --no-cache-dir --no-deps --use-feature=2020-resolver --wheel-dir /usr/src/app/wheels  \
-  -r /requirements/local.txt -r /requirements/production.txt \
-  && rm -rf /requirements
-
-
-# Python 'run' stage
-FROM python:3.8-slim-buster as python-run-stage
-
-ARG BUILD_ENVIRONMENT
 ENV PYTHONUNBUFFERED 1
 ENV PYTHONDONTWRITEBYTECODE 1
 
+RUN apt-get update \
+    # dependencies for building Python packages
+    && apt-get install -y build-essential \
+    # psycopg2 dependencies
+    && apt-get install -y libpq-dev \
+    # Translations dependencies
+    && apt-get install -y gettext \
+    # Uncomment below lines to enable Sphinx output to latex and pdf
+    # && apt-get install -y texlive-latex-recommended \
+    # && apt-get install -y texlive-fonts-recommended \
+    # && apt-get install -y texlive-latex-extra \
+    # && apt-get install -y latexmk \
+    # cleaning up unused files
+    && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+    && rm -rf /var/lib/apt/lists/*
 
-
+# Requirements are installed here to ensure they will be cached.
-RUN apt-get update && apt-get install --no-install-recommends -y \
+COPY ./requirements /requirements
-  # dependencies for building Python packages
+# All imports needed for autodoc.
-  build-essential \
+RUN pip install -r /requirements/local.txt -r /requirements/production.txt
-  # psycopg2 dependencies
-  libpq-dev \
-  # Translations dependencies
-  gettext \
-  # Uncomment below lines to enable Sphinx output to latex and pdf
-  # texlive-latex-recommended \
-  # texlive-fonts-recommended \
-  # texlive-latex-extra \
-  # latexmk \
-  # cleaning up unused files
-  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
-  && rm -rf /var/lib/apt/lists/*
-
-
-# copy python dependency wheels from python-build-stage
-COPY --from=python-build-stage /usr/src/app/wheels  /wheels
-
-# use wheels to install python dependencies
-RUN pip install --no-cache /wheels/* \
-	&& rm -rf /wheels
-
 
 WORKDIR /docs