# https://testdriven.io/blog/dockerizing-django-with-postgres-gunicorn-and-nginx/

FROM python:3.12.2-slim-buster as builder

WORKDIR /usr/src/app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc && \
    pip install --upgrade pip && \
    pip install flake8==6.0.0

COPY . /usr/src/app/
RUN flake8 --ignore=E501,F401 .

COPY ./requirements.txt .
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /usr/src/app/wheels -r requirements.txt


FROM python:3.12.2-alpine3.21

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HOME=/home/app \
    APP_HOME=/home/app/web

RUN mkdir -p $HOME && \
    mkdir $APP_HOME && \
    addgroup --system app && \
    adduser --system --group app

WORKDIR $APP_HOME

RUN apk update && \
    apk add --no-cache netcat-openbsd
COPY --from=builder /usr/src/app/wheels /wheels
COPY --from=builder /usr/src/app/requirements.txt .
RUN pip install --upgrade pip && \
    pip install --no-cache /wheels/*

COPY . $APP_HOME
RUN sed -i 's/\r$//g' $APP_HOME/entrypoint.sh && \
    chmod +x  $APP_HOME/entrypoint.sh

RUN chown -R app:app $APP_HOME

USER app

ENTRYPOINT ["/home/app/web/entrypoint.sh"]