Add Dockerfile

Dockerfile

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+#FROM python:3.10-alpine
+FROM docker.io/python:3.10-slim AS base
+
+ENV \
+   LANG=C.UTF-8 \
+   LC_ALL=C.UTF-8 \
+   # python:
+   PYTHONFAULTHANDLER=1 \
+   PYTHONUNBUFFERED=1 \
+   PYTHONHASHSEED=random \
+   PYTHONDONTWRITEBYTECODE=1
+
+RUN apt-get update
+
+RUN apt-get install -y --no-install-recommends libmagic-dev libglib2.0-dev libpango-1.0-0 libpangoft2-1.0-0
+
+ENV VIRTUAL_ENV=/venv
+
+# Use production configuration.
+ENV DJANGO_SETTINGS_MODULE=project.settings
+ENV DJANGO_CONFIGURATION=production
+
+
+### builder image
+
+FROM base as build
+
+ENV \
+   # pip:
+   PIP_NO_CACHE_DIR=off \
+   PIP_DISABLE_PIP_VERSION_CHECK=on \
+   PIP_DEFAULT_TIMEOUT=100 \
+
+RUN apt-get install -y --no-install-recommends build-essential gcc
+
+# Install python build tools.
+RUN pip install --upgrade pip
+RUN pip install poetry wheel
+
+RUN python3 -m venv $VIRTUAL_ENV
+
+RUN mkdir -p /build
+WORKDIR /build
+
+# Install python dependencies.
+COPY requirements.txt requirements.txt ./
+RUN . /venv/bin/activate && pip install -r requirements.txt
+
+# We will run dumb-init as pid 1.
+RUN . /venv/bin/activate && pip install dumb-init
+
+# We will run our app using gunicorn.
+RUN . /venv/bin/activate && pip install gunicorn
+
+# Copy local code into to the build image.
+COPY . /build
+
+# Copy code required for runtime to the /app folder.
+RUN mkdir /app
+RUN cp -r apps project templates manage.py /app/
+
+# Collect static data into /app/static.
+RUN . /venv/bin/activate && \
+   DJANGO_STATIC_ROOT=/app/static ./manage.py collectstatic --no-input
+
+RUN ls -al /app/
+
+
+### runtime image
+
+FROM base as runtime
+
+#RUN apt-get install -y --no-install-recommends libpango-1.0-0 libpangoft2-1.0-0
+#RUN apt-get install -y --no-install-recommends procps iproute2 curl
+
+COPY --from=build /venv /venv
+COPY --from=build /app /app
+
+WORKDIR /app
+
+# Ensure exectutables from virtualenv are prefered.
+ENV PATH="/venv/bin:$PATH"
+ENTRYPOINT ["/venv/bin/dumb-init", "--", "gunicorn", \
+   "-b [::]:8000", \
+   "--log-file=-", \
+   "--worker-tmp-dir", "/dev/shm", \
+   "--workers=2", "--threads=4", "--worker-class=gthread"]
+CMD ["project.wsgi"]