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# Multi-stage Dockerfile for FastAPI Backend
# Stage 1: Builder stage - Install dependencies with UV
FROM python:3.13-slim AS builder
# Set working directory
WORKDIR /app
# Install system dependencies and UV
RUN apt-get update && \
apt-get install -y --no-install-recommends \
gcc \
libpq-dev \
&& rm -rf /var/lib/apt/lists/* && \
pip install --no-cache-dir uv
# Copy dependency files
COPY pyproject.toml ./
COPY uv.lock ./
# Install dependencies to a temporary location
RUN uv sync --no-dev --no-editable
# Stage 2: Production stage - Copy dependencies and run application
FROM python:3.13-slim
# Set environment variables
ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
PATH="/app/.venv/bin:$PATH" \
PORT=7860
# Create non-root user
RUN groupadd -r appuser -g 1000 && \
useradd -r -u 1000 -g appuser -s /sbin/nologin -d /app -m appuser
# Set working directory
WORKDIR /app
# Install runtime dependencies only
RUN apt-get update && \
apt-get install -y --no-install-recommends \
libpq5 \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy virtual environment from builder
COPY --from=builder --chown=appuser:appuser /app/.venv /app/.venv
# Copy application code (flat structure)
COPY --chown=appuser:appuser api/ api/
COPY --chown=appuser:appuser core/ core/
COPY --chown=appuser:appuser models/ models/
COPY --chown=appuser:appuser ai_agent/ ai_agent/
COPY --chown=appuser:appuser services/ services/
COPY --chown=appuser:appuser ws_manager/ ws_manager/
COPY --chown=appuser:appuser mcp_server/ mcp_server/
COPY --chown=appuser:appuser main.py .
COPY --chown=appuser:appuser uvicorn_config.py .
# Switch to non-root user
USER appuser
# Expose port 7860 (Hugging Face Spaces default)
EXPOSE 7860
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
CMD curl -f http://localhost:7860/health || exit 1
# Run the application with uvicorn on port 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
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