I included a chown fix

Changes: Included the critical chown fix to prevent Permission Errors with FastHTML session files.

Dockerfile

@@ -1,28 +1,32 @@
-# 1. Base Image (Lightweight Python)
+# 1. Base Image
 FROM python:3.11-slim
 
-# 2. System Setup
-WORKDIR /app
-ENV PYTHONUNBUFFERED=1 \
-    PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONPATH=/app
-
-# 3. Install System Dependencies (Minimal build tools)
+# 2. System Setup (Minimal build dependencies)
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     && rm -rf /var/lib/apt/lists/*
 
-# 4. Install Python Dependencies
+# 3. Create Non-Root User (Security Best Practice)
+RUN useradd -m -u 1000 user
+
+# 4. Set Workspace
+WORKDIR /app
+
+# 5. Install Dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# 5. Copy Application Code
-COPY . .
+# 6. Copy Code & Enforce Ownership
+# We use --chown to ensure files belong to the user
+COPY --chown=user . .
 
-# 6. Create Non-Root User (Security Best Practice)
-RUN useradd -m -u 1000 user
+# 7. CRITICAL FIX: Ensure the user owns the directory (for .sesskey creation)
+RUN chown -R user:user /app
+
+# 8. Switch to User & Set Path
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
+ENV PYTHONPATH=/app
 
-# 7. Run the Entry Point (Port 7860 for Hugging Face)
+# 9. Run Entry Point
 CMD ["python", "run.py"]