Update Dockerfile

Dockerfile

@@ -1,44 +1,37 @@
-# Stage 1: Build the React Application
-FROM docker.io/library/node:20-slim AS build-stage
-
+# --- STAGE 1: Build React ---
+FROM node:20-slim AS build-stage
 WORKDIR /app
-
-# Install dependencies first for Docker caching efficiency
 COPY package*.json ./
 RUN npm install
-
-# Copy source code and build
 COPY . .
 RUN npm run build
 
-# Stage 2: Serve with Python/Gunicorn
-FROM docker.io/library/python:3.9-slim
-
-WORKDIR /code
-
-# Copy the compiled React assets from Stage 1
-COPY --from=build-stage /app/dist /code/dist
+# --- STAGE 2: Serve with Python ---
+FROM python:3.9-slim
+WORKDIR /app
 
-# Copy backend server files
-COPY requirements.txt .
-COPY app.py .
+# 1. Install system dependencies in Build Phase
+RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
 
-# Install Python production server dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Create a non-root user for security compliance on Hugging Face
+# 2. Setup User
 RUN useradd -m -u 1000 user
-USER user
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
-WORKDIR $HOME/app
-COPY --from=build-stage --chown=user /app/dist $HOME/app/dist
-COPY --chown=user requirements.txt $HOME/app/
-COPY --chown=user app.py $HOME/app/
+# 3. Install Python requirements
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 4. Copy Application Files
+# We copy everything into /app and ensure the 'user' owns it
+COPY --from=build-stage --chown=user /app/dist ./dist
+COPY --chown=user app.py .
+
+# 5. Set permissions
+USER user
 
-# Expose the standard Hugging Face port
 EXPOSE 7860
 
-# Execute Gunicorn with 4 workers to handle concurrent health probes and user traffic
+# 6. Launch Gunicorn
+# Note: app:app refers to app.py and the 'app' variable inside it
 CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]