Update Dockerfile

Dockerfile

@@ -1,5 +1,28 @@
 FROM python:3.8-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Create a non-root user and switch to it
+RUN useradd -m appuser
 WORKDIR /app
-COPY . .
+RUN chown appuser:appuser /app
+USER appuser
+
+# Create a virtual environment
+RUN python -m venv /app/venv
+ENV PATH="/app/venv/bin:$PATH"
+
+# Install dependencies
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY --chown=appuser:appuser . .
+
+# Expose the port
+EXPOSE 7860
+
+# Run the application
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]