Create Dockerfile

Dockerfile

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+# Stage 1: Build the React Application
+FROM node:18-alpine AS frontend-builder
+WORKDIR /app/frontend
+COPY frontend/package*.json ./
+RUN npm install
+COPY frontend/ .
+RUN npm run build
+
+# Stage 2: Serve with FastAPI
+FROM python:3.10-slim
+WORKDIR /app
+
+# Install backend dependencies
+COPY backend/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy Python backend code
+COPY backend/ /app/backend/
+
+# Copy the compiled React files from Stage 1 into the Python container
+COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist
+
+# Mandatory Hugging Face Docker Space Permissions
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+WORKDIR $HOME/app
+
+COPY --chown=user . $HOME/app
+
+# Start the application on the required port
+EXPOSE 7860
+CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]