Update Dockerfile

Dockerfile

@@ -1,28 +1,26 @@
 FROM python:3.10-slim
-
-# HF Spaces runs as a non-root user — this satisfies that requirement
+ 
 RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
-
-WORKDIR /app
-
-# Install system deps needed by OpenCV
+ 
 USER root
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libgl1 libglib2.0-0 libsm6 libxrender1 libxext6 \
     && rm -rf /var/lib/apt/lists/*
+ 
 USER user
-
-# Install Python deps
+ENV PATH="/home/user/.local/bin:$PATH"
+# Force Python to print immediately — critical for HF health checks
+ENV PYTHONUNBUFFERED=1
+ 
+WORKDIR /app
+ 
 COPY --chown=user requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy app source and model files
+ 
 COPY --chown=user server.py .
 COPY --chown=user models/ ./models/
-
-# HF Spaces expects the app to listen on port 7860
+ 
 EXPOSE 7860
-
+ 
 CMD ["python", "server.py"]
+