update docker

Dockerfile

@@ -1,16 +1,33 @@
-# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
-# you will also find guides on how best to write your Dockerfile
-
+# Use Python base image
 FROM python:3.10
 
+# Create and switch to user
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
+# Set work directory
 WORKDIR /app
 
+# Copy requirements first for caching
 COPY --chown=user ./requirements.txt requirements.txt
+
+# Install system dependencies (important for cv2)
+USER root
+RUN apt-get update && apt-get install -y \
+    libgl1 \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender1 \
+ && rm -rf /var/lib/apt/lists/*
+USER user
+
+# Install Python dependencies
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
+# Copy rest of the files
 COPY --chown=user . /app
+
+# Expose default Space port
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]