Update Dockerfile

Dockerfile

@@ -1,25 +1,39 @@
 FROM python:3.9-slim
 
+# Set working directory
 WORKDIR /app
 
-# Install dependencies
+# Create non-root user for security best practices
+RUN useradd -m -u 1000 user
+
+# Copy requirements first for better caching
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-RUN useradd -m -u 1000 user
-USER user
+# Set environment variables
 ENV HOME=/home/user \
-	PATH=/home/user/.local/bin:$PATH
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    # Set model cache to a writable location
+    TRANSFORMERS_CACHE=/tmp/transformers_cache \
+    HF_HOME=/tmp/hf_home
 
-WORKDIR $HOME/app
+# Create cache directories with proper permissions
+RUN mkdir -p /tmp/transformers_cache /tmp/hf_home && \
+    chmod 777 /tmp/transformers_cache /tmp/hf_home
 
-COPY --chown=user . $HOME/app .
+# Copy application code
+COPY --chown=user:user . /app/
 
 # Create static directory with proper permissions
-RUN mkdir -p /app/static && chmod 777 /app/static
+RUN mkdir -p /app/static && chown -R user:user /app/static
+
+# Switch to non-root user
+USER user
 
 # Expose port
 EXPOSE 8000
 
 # Run the application
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]