FROM node:20-bookworm-slim

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
    && apt-get install -y --no-install-recommends python3 python3-pip ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install backend dependencies.
COPY backend/requirements.txt /app/backend/requirements.txt
RUN python3 -m pip install --no-cache-dir -r /app/backend/requirements.txt

# Install frontend dependencies and build.
COPY frontend/package*.json /app/frontend/
WORKDIR /app/frontend
RUN npm install
COPY frontend /app/frontend
RUN npm run build

# Copy backend source and runtime launcher.
WORKDIR /app
COPY backend /app/backend
COPY docker/start.sh /app/docker/start.sh
RUN chmod +x /app/docker/start.sh

EXPOSE 14620 14621

CMD ["/app/docker/start.sh"]