updated docker

Dockerfile

@@ -1,29 +1,32 @@
 FROM tensorflow/tensorflow:1.15.0-gpu-py3
 
-# Fix expired Nvidia GPG keys in old TF images
+USER root
+
+# Fix expired Nvidia GPG keys
 RUN rm /etc/apt/sources.list.d/cuda.list || true
 RUN rm /etc/apt/sources.list.d/nvidia-ml.list || true
 
-# Install system dependencies 
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \
     libglib2.0-0 \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# Set up user for Hugging Face Spaces
+RUN pip install --no-cache-dir --upgrade pip==21.3.1
+
 RUN useradd -m -u 1000 user
-USER user
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
 WORKDIR $HOME/app
 
-RUN pip install --no-cache-dir --upgrade pip
-
-COPY --chown=user requirements.txt .
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY --chown=user . .
+COPY . .
+RUN chown -R user:user $HOME/app
+
+USER user
 
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]