Dockerfile

# Stage 1: Build the React frontend
FROM node:20-alpine AS frontend-builder

WORKDIR /app/frontend
# Copy package files
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install

# Copy frontend source and build
COPY frontend/ ./
RUN npm run build

# Stage 2: Serve with FastAPI
FROM python:3.11-slim

WORKDIR /app/backend

# Install system dependencies (needed maybe by OpenCV / Pillow / Med)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

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

# Copy backend source
COPY backend/ ./

# Copy built frontend from Stage 1
COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist

# Expose the API port
EXPOSE 8000

# Start Uvicorn
CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port ${PORT:-8000}"]