FROM python:3.12.6-alpine3.20 AS base
ARG TARGETPLATFORM

# Create a group and user to run an app
ENV APP_USER=appuser
RUN addgroup --system --gid 2000 ${APP_USER} && \
    adduser --system --uid 1000 --ingroup ${APP_USER} ${APP_USER}

RUN apk add bash \
    python3-dev \
    build-base \
    linux-headers \
    pcre-dev \
    mariadb-connector-c-dev \
    libffi-dev \
    git \
    postgresql-dev

WORKDIR /etc/app
COPY ./requirements.txt ./
COPY ./grpcio-1.64.1-cp312-cp312-linux_aarch64.whl ./

# grpcio is not available for arm64 on pypi, so we need to install it from a local wheel
# this can be removed once https://github.com/grpc/grpc/issues/34998 is resolved
RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
    pip install grpcio-1.64.1-cp312-cp312-linux_aarch64.whl  \
    && rm grpcio-1.64.1-cp312-cp312-linux_aarch64.whl; \
    fi

RUN pip install uv setuptools

# TODO: figure out how to get this to work.. see comment in .github/workflows/e2e-tests.yml
# https://stackoverflow.com/a/71846527
# RUN --mount=type=cache,target=/root/.cache/pip,from=pip_cache pip install -r requirements.txt
RUN uv pip install --system -r requirements.txt

# we intentionally have two COPY commands, this is to have the requirements.txt in a separate build step
# which only invalidates when the requirements.txt actually changes. This avoids having to unneccasrily reinstall deps (which is time-consuming)
# https://stackoverflow.com/questions/34398632/docker-how-to-run-pip-requirements-txt-only-if-there-was-a-change/34399661#34399661
COPY ./ ./

# Collect static files
RUN DJANGO_SETTINGS_MODULE=settings.prod_without_db DATABASE_TYPE=sqlite3 DATABASE_NAME=/var/lib/oncall/oncall.db SECRET_KEY="ThEmUsTSecretKEYforBUILDstage123" SILK_PROFILER_ENABLED="True" python manage.py collectstatic --no-input

# Change permissions for the app folder, as previous commands run as root
RUN chown -R ${APP_USER}:${APP_USER} /etc/app

# Create SQLite database and set permissions
RUN mkdir -p /var/lib/oncall
RUN DATABASE_TYPE=sqlite3 DATABASE_NAME=/var/lib/oncall/oncall.db python manage.py create_sqlite_db
RUN chown -R ${APP_USER}:${APP_USER} /var/lib/oncall

# This is required for silk profilers to sync between uwsgi workers
RUN mkdir -p /tmp/silk_profiles;
RUN chown -R ${APP_USER}:${APP_USER} /tmp/silk_profiles

# This is required for prometheus_client to sync between uwsgi workers
RUN mkdir -p /tmp/prometheus_django_metrics;
RUN chown -R ${APP_USER}:${APP_USER} /tmp/prometheus_django_metrics
ENV prometheus_multiproc_dir "/tmp/prometheus_django_metrics"


FROM base AS dev
RUN apk add sqlite mysql-client postgresql-client
# TODO: figure out how to get this to work.. see comment in .github/workflows/e2e-tests.yml
# https://stackoverflow.com/a/71846527
# RUN --mount=type=cache,target=/root/.cache/pip,from=pip_cache pip install -r requirements-dev.txt
RUN uv pip install --system -r requirements-dev.txt

FROM dev AS dev-enterprise
# TODO: figure out how to get this to work.. see comment in .github/workflows/e2e-tests.yml
# https://stackoverflow.com/a/71846527
# RUN --mount=type=cache,target=/root/.cache/pip,from=pip_cache pip install -r requirements-enterprise-docker.txt
RUN uv pip install --system -r requirements-enterprise-docker.txt

FROM base AS prod

# Change to a non-root user (number is required by Kubernetes runAsNonRoot check)
USER 1000

CMD [ "uwsgi", "--ini", "uwsgi.ini" ]
