Fix permission issues for HF Space Dev mode

- Create user with home directory for git config
- Switch to non-root user to avoid permission issues
- Use --chown flag when copying files
- This should fix the gitconfig permission denied error

Dockerfile

@@ -6,14 +6,20 @@ RUN apt-get update && apt-get install -y \
     git \
     && rm -rf /var/lib/apt/lists/*
 
+# Create a user with home directory for git config
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
 WORKDIR /app
 
 # Copy and install requirements
-COPY requirements.txt .
+COPY --chown=user requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application code
-COPY app.py .
+COPY --chown=user app.py .
 
 EXPOSE 7860