# B-91 (SEC-51, SEC-52): base image pinned by digest, dependencies installed from a
# hash-checked lock file, process running as a non-root user.
# To update: `docker buildx imagetools inspect python:3.12-slim` for the digest, and
# `pip-compile --generate-hashes --strip-extras -o requirements.lock pyproject.toml` for the lock.
FROM python:3.12-slim@sha256:a6e34c598f2467ed0e9a8d349809fcd8b5c603269512df273a0bb1784edc11b1

WORKDIR /app

COPY requirements.lock ./
RUN pip install --no-cache-dir --require-hashes --no-deps -r requirements.lock

COPY pyproject.toml ./
COPY app ./app
COPY migrations ./migrations
COPY alembic.ini ./
COPY scripts ./scripts

RUN pip install --no-cache-dir --no-deps . \
    && useradd --uid 1000 --no-create-home --shell /usr/sbin/nologin app
USER 1000:1000

EXPOSE 8123

# umask 077: the database, its WAL files and the logs are created readable by the app user only.
CMD ["/bin/sh", "-c", "umask 077; test -f \"$MASTER_KEY_PATH\" || { echo \"ERROR: master key not found at $MASTER_KEY_PATH -- run: docker compose run --rm app python scripts/generate_master_key.py\" >&2; exit 1; }; alembic upgrade head && exec uvicorn app.main:app --host 0.0.0.0 --port 8123"]