FROM python:3.12-slim

WORKDIR /app

# Install system deps + Chromium + Terraform CLI
ARG TERRAFORM_VERSION=1.14.7
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl gcc libffi-dev unzip \
    chromium fonts-liberation fonts-dejavu-core fontconfig && \
    ARCH=$(dpkg --print-architecture) && \
    curl -fsSL "https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_${ARCH}.zip" -o /tmp/tf.zip && \
    unzip /tmp/tf.zip -d /usr/local/bin/ && rm /tmp/tf.zip && \
    rm -rf /var/lib/apt/lists/*

# Install Python deps + OCI CLI
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir oci-cli

# Copy app
COPY app.py .
COPY cis_reports.py .
COPY mcp_cis_server.py .
COPY gen_tf_reference.py .

# Non-root user setup
RUN groupadd -r agent && useradd -r -g agent -d /app -s /bin/bash agent && \
    mkdir -p /data && chown -R agent:agent /app /data

# Generate OCI Terraform resource reference at build time
RUN python gen_tf_reference.py || echo "WARN: tf reference generation skipped (terraform init may need network)"

# Entrypoint: fix /data ownership then drop to agent user (no gosu needed)
RUN printf '#!/bin/bash\nchown -R agent:agent /data 2>/dev/null || true\nexec runuser -u agent -- "$@"\n' > /entrypoint.sh && \
    chmod +x /entrypoint.sh

VOLUME /data
ENTRYPOINT ["/entrypoint.sh"]

EXPOSE 8000

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "8"]