Optimize Dockerfile: remove chown and USER for faster builds, add touch for database file

Dockerfile

@@ -18,14 +18,8 @@ COPY . .
 # Build the application
 RUN npm run build
 
-# Create data directory for SQLite (in app directory for Docker)
-RUN mkdir -p /app/data
-
-# Set proper permissions for the data directory
-RUN chown -R node:node /app/data
-
-# Switch to non-root user
-USER node
+# Create data directory and database file for SQLite
+RUN mkdir -p /app/data && touch /app/data/sermons.db
 
 # Expose port
 EXPOSE 3000