Dockerfile.minimal

# syntax=docker/dockerfile:1.7
# Minimal Docker image - Code Graph only (No LLM required)
#
# IMPORTANT: Frontend MUST be pre-built before docker build:
#   ./scripts/build-frontend.sh
#
# This Dockerfile expects frontend/dist/ to exist

# ============================================
# Builder stage - Only install dependencies
# ============================================
FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim AS builder

WORKDIR /app

# Copy requirements.txt for optimal layer caching
COPY requirements.txt ./

# Install Python dependencies using uv with BuildKit cache
RUN --mount=type=cache,target=/root/.cache/uv \
    uv pip install --system --no-cache -r requirements.txt

# ============================================
# Final stage
# ============================================
FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    DEPLOYMENT_MODE=minimal \
    PATH="/app:${PATH}"

# Install runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -m -u 1000 appuser && \
    mkdir -p /app /data /repos && \
    chown -R appuser:appuser /app /data /repos

WORKDIR /app

# Copy Python packages from builder
COPY --from=builder /usr/local/lib/python3.13/site-packages /usr/local/lib/python3.13/site-packages
COPY --from=builder /usr/local/bin/uvicorn /usr/local/bin/

# Copy application code
COPY --chown=appuser:appuser src ./src

# Copy pre-built frontend (MUST exist - run ./scripts/build-frontend.sh first)
COPY --chown=appuser:appuser frontend/dist ./static

USER appuser

# Two-Port Architecture
EXPOSE 8000 8080

# Health check on Web UI port
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8080/api/v1/health || exit 1

# Start application (dual-port mode)
CMD ["python", "-m", "codebase_rag"]