FROM python:3.11-slim

# Postgres client tools (pg_dump/psql) from PGDG — used by bootstrap_db.py to
# clone the team schema into a fresh empty database on first boot. PGDG's
# latest client can dump from any server version RDS is likely to run.
RUN apt-get update \
    && apt-get install -y --no-install-recommends curl ca-certificates gnupg \
    && install -d /usr/share/postgresql-common/pgdg \
    && curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc \
         -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc \
    && . /etc/os-release \
    && echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] http://apt.postgresql.org/pub/repos/apt ${VERSION_CODENAME}-pgdg main" \
         > /etc/apt/sources.list.d/pgdg.list \
    && apt-get update \
    && apt-get install -y --no-install-recommends postgresql-client \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . /app

# The knowledge-graph files are rebuilt at runtime and served by Streamlit's
# static file serving, which only reads ./static next to app.py. /app is
# root-owned, so open this one directory to the non-root runtime user.
RUN mkdir -p /app/static/kg && chmod -R a+rwx /app/static

# HF Spaces run the container as a non-root user; keep all writes in /tmp.
ENV HOME=/tmp \
    AGENT_WORK_DIR=/tmp/agent_work \
    PYTHONUNBUFFERED=1 \
    STREAMLIT_BROWSER_GATHER_USAGE_STATS=false

EXPOSE 7860

# bootstrap_db.py is a no-op unless BOOTSTRAP_CLONE_FROM is set, and is never
# fatal — the app starts regardless (the agent fails safe on a bad schema).
# run_space.py boots the agent (schema, scheduler, keep-alive) at process start
# and then serves the Streamlit app in the same process, so cycles run from the
# moment the container is up, with or without a visitor.
CMD ["sh", "-c", "python bootstrap_db.py; exec python run_space.py"]