Add initial Dockerfile

Based on python3.9-slim-buster.

docker/Dockerfile

@@ -0,0 +1,43 @@
+FROM python:3.9-slim-buster
+
+ENV PYTHONFAULTHANDLER=1 \
+  PYTHONUNBUFFERED=1 \
+  PYTHONDONTWRITEBYTECODE=1 \
+  PYTHONHASHSEED=random \
+  PIP_NO_CACHE_DIR=off \
+  PIP_DISABLE_PIP_VERSION_CHECK=on \
+  PIP_DEFAULT_TIMEOUT=100 \
+  POETRY_VERSION=1.1.4
+
+RUN apt-get update \
+  && apt-get install -y \
+     binutils \
+     libpq-dev \
+     build-essential \
+     netcat-openbsd \
+     libcairo2 \
+     libpango-1.0-0 \
+     libpangocairo-1.0-0 \
+     libgdk-pixbuf2.0-0 \
+     libffi-dev \
+     shared-mime-info \
+  && pip install "poetry==$POETRY_VERSION"
+
+WORKDIR /app
+
+COPY poetry.lock pyproject.toml /app/
+
+ARG DJANGO_ENV
+
+RUN poetry export -f requirements.txt $(test "$DJANGO_ENV" != production && echo "--dev") | pip install -r /dev/stdin
+
+RUN groupadd -g 1000 www
+RUN useradd -u 1000 -ms /bin/bash -g www www
+COPY --chown=www:www ./ /app/
+RUN mkdir /app/static && chown www:www /app/static
+
+ARG BUILD
+ENV BUILD ${BUILD}
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["uvicorn", "config.asgi:application", "--host", "0.0.0.0", "--port", "8080", "--workers", "3", "--lifespan", "off"]