Update Dockerfile

Dockerfile

@@ -1,8 +1,9 @@
 # Use official Python image
 FROM python:3.11-slim
 
-# Install system dependencies required by OpenCV and other libraries
+# Install modern system dependencies required by image processing
 RUN apt-get update && apt-get install -y \
+    libgl1 \
     libglib2.0-0 \
     && rm -rf /var/lib/apt/lists/*
 
@@ -15,8 +16,12 @@ COPY requirements.txt .
 # Install dependencies (CPU-only PyTorch to save space)
 RUN pip install --no-cache-dir -r requirements.txt
 
+# CRITICAL FIX: Ultralytics secretly installs the GUI version of OpenCV. 
+# We must uninstall it so Python is forced to use opencv-python-headless!
+RUN pip uninstall -y opencv-python
+
 # Copy all your scripts and weights into the container
 COPY . .
 
-# Hugging Face requires Docker spaces to run on port 7860!
+# Hugging Face requires Docker spaces to run on port 7860
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]