##############################################
# Build virtualenv
##############################################
FROM python:3.11.0-bullseye AS venv

# Prepare poetry
##############################################
# https://python-poetry.org/docs/#installation
ENV POETRY_VERSION=1.1.15
RUN curl -sSL https://install.python-poetry.org | python3 -

ENV PATH /root/.local/bin:$PATH

RUN python -m pip install --user poetry-lock-check==0.1.0 \
    cleo==0.8.1  # poetry-lock-check depends on cleo

WORKDIR /app
COPY pyproject.toml poetry.lock ./

RUN python -m poetry_lock_check check-lock

# Install python dependencies
##############################################
RUN python -m venv --copies /app/venv
ARG POETRY_OPTIONS
# Will install dev deps as well, so that we can run tests in this image
RUN . /app/venv/bin/activate \
    && poetry install --no-interaction $POETRY_OPTIONS

ENV PATH /app/venv/bin:$PATH

# Collect static files & build assets
##############################################

COPY ./src /app/src
COPY ./envs/local-envs.env /app/.env
WORKDIR /app/src

# Required for manage.py to startup
ARG ENV_FILE=/app/.env
ARG DEBUG=false
ENV STATIC_ROOT=/app/static
ENV DATABASE_URL=sqlite:////app/db/db.sqlite3

RUN mkdir -p $STATIC_ROOT

# Build assets so that we don't need the build tools later
RUN python manage.py collectstatic --noinput --clear



##############################################
# write git info
##############################################
FROM alpine/git:v2.36.3 AS git

WORKDIR /app
COPY .git /app/.git/
RUN git describe --tags --always > /git-describe
RUN git rev-parse HEAD > /git-commit
RUN date +'%Y-%m-%d %H:%M %Z' > /build-date



##############################################
# Main image
##############################################
FROM python:3.11.0-slim-bullseye AS final

ARG DEBIAN_FRONTEND=noninteractive

# Setup user & group
##############################################
RUN groupadd -g 1000 django
RUN useradd -M -d /app -u 1000 -g 1000 -s /bin/bash django

# Setup system
##############################################
RUN apt-get update -y \
    && apt-get install -y --no-install-recommends \
        libxml2 \
        media-types \
        postgresql-client

# Fetch project requirements
##############################################
COPY --chown=django:django --from=venv /app/venv /app/venv/
COPY --chown=django:django --from=git /git-describe /git-commit /build-date /app/git/
ENV PATH /app/venv/bin:$PATH

# Fetch built assets & static files
##############################################
ENV STATIC_ROOT=/app/static
COPY --chown=django:django --from=venv $STATIC_ROOT $STATIC_ROOT

# Create directory structure
##############################################
WORKDIR /app
COPY pyproject.toml poetry.lock ./
ADD --chown=django:django ./src ./src
COPY --chown=django:django tasks.py ./tasks.py


RUN mkdir -p /app/data /app/db
RUN chown django:django /app /app/data /app/db

ENV SECRET_KEY "changeme"
ENV DEBUG "false"
ENV DATABASE_URL "sqlite:////app/db/db.sqlite3"

EXPOSE 8000

WORKDIR /app/src

HEALTHCHECK --start-period=30s CMD python -c "import requests; requests.get('http://localhost:8000', timeout=2)"

USER django
CMD ["gunicorn", "charasheet.wsgi", "--graceful-timeout=5", "--worker-tmp-dir=/dev/shm", "--workers=2", "--threads=4", "--worker-class=gthread", "--bind=0.0.0.0:8000", "--log-file=-"]