Update Dockerfile

Dockerfile

@@ -1,27 +1,27 @@
 FROM python:3.10
 
 # 1. Install system dependencies
-# 'libgl1-mesa-glx' is deprecated, so we use 'libgl1' and 'libglib2.0-0' instead
 RUN apt-get update && apt-get install -y \
     git \
     libgl1 \
     libglib2.0-0 \
     && rm -rf /var/lib/apt/lists/*
 
-# 2. Create a user (Hugging Face Spaces best practice)
+# 2. Create user
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
-# 3. Install Torch dependencies FIRST (Isolated step)
+# 3. Install Torch dependencies FIRST
 RUN pip install --no-cache-dir pip --upgrade && \
     pip install --no-cache-dir \
     torch==2.0.1+cpu \
     torchvision==0.15.2+cpu \
     --extra-index-url https://download.pytorch.org/whl/cpu
 
-# 4. Install Detectron2 (Now that Torch is ready)
-RUN pip install --no-cache-dir git+https://github.com/facebookresearch/detectron2.git
+# 4. Install Detectron2 with --no-build-isolation
+# This flag fixes the "No module named torch" error
+RUN pip install --no-cache-dir --no-build-isolation git+https://github.com/facebookresearch/detectron2.git
 
 # 5. Install the requirements.txt 
 WORKDIR /app