Dockerfile

# Stage 1: Build Frontend
FROM node:20-slim AS frontend-builder
WORKDIR /app/ui
COPY ui/package*.json ./
RUN npm install
COPY ui/ ./
RUN npm run build

# Stage 2: Build Backend
FROM python:3.11-slim AS backend-builder
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Stage 3: Final Image
FROM python:3.11-slim
WORKDIR /app

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

# Copy backend
COPY --from=backend-builder /usr/local/lib/python3.11/site-packages/ /usr/local/lib/python3.11/site-packages/
COPY backend/ ./backend/
COPY application.py .

# Copy frontend build
COPY --from=frontend-builder /app/ui/dist/ ./ui/dist/

# Create reports directory
RUN mkdir -p reports

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=8000

# Expose the port
EXPOSE 8000

# Create a non-root user
RUN useradd -m -u 1000 appuser
RUN chown -R appuser:appuser /app
USER appuser

# Start command
CMD ["python", "-m", "uvicorn", "application:app", "--host", "0.0.0.0", "--port", "8000"]