Update Dockerfile

Dockerfile

@@ -1,47 +1,47 @@
-# Stage 1: Build React Frontend
-FROM node:18-alpine AS frontend-builder
-WORKDIR /app/frontend
-# Copy only package files first for caching npm install
-COPY frontend/package*.json ./
-RUN npm ci
-# Copy the rest of the frontend source
-COPY frontend/ .
-RUN npm run build
-
-# Stage 2: Final Python Backend
-FROM python:3.10-slim
-
-# Set working directory
-WORKDIR /app
-
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    git \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
-# Copy requirements first (for caching)
-COPY requirements.txt .
-
-# Install Python dependencies
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
-
-# Copy application code (including backend)
-COPY . .
-
-# Copy the built React app from Stage 1
-COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist
-
-# Create necessary directories
-RUN mkdir -p data/papers/easy data/papers/medium data/papers/hard logs checkpoints data/tmp
-
-# Expose port (Hugging Face Spaces uses 7860)
-EXPOSE 7860
-
-# Set environment variables
-ENV HOST="0.0.0.0"
-ENV PORT=7860
-
-# Run FastAPI app
-CMD ["python", "server/api.py"]
+# Stage 1: Build React Frontend
+FROM node:18-alpine AS frontend-builder
+WORKDIR /app/frontend
+# Copy only package files first for caching npm install
+COPY frontend/package*.json ./
+RUN npm ci
+# Copy the rest of the frontend source
+COPY frontend/ .
+RUN npm run build
+
+# Stage 2: Final Python Backend
+FROM python:3.12-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first (for caching)
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy application code (including backend)
+COPY . .
+
+# Copy the built React app from Stage 1
+COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist
+
+# Create necessary directories
+RUN mkdir -p data/papers/easy data/papers/medium data/papers/hard logs checkpoints data/tmp
+
+# Expose port (Hugging Face Spaces uses 7860)
+EXPOSE 7860
+
+# Set environment variables
+ENV HOST="0.0.0.0"
+ENV PORT=7860
+
+# Run FastAPI app
+CMD ["python", "server/api.py"]