Fix Docker ENTRYPOINT and add SQLite fallback

Dockerfile

@@ -21,13 +21,17 @@ RUN npx prisma generate
 RUN npm run build
 
 # Create data directory
-RUN mkdir -p /app/data
+RUN mkdir -p /app/data && chmod 777 /app/data
 
 # Environment variables
 ENV NODE_ENV=production
 ENV PORT=3000
 ENV HOST=0.0.0.0
+# Set a default SQLite path if DATABASE_URL is not provided at runtime
+ENV DATABASE_URL="file:/app/data/sofia.db"
 
 EXPOSE 3000
 
+# Use entrypoint to handle migrations/initialization
+ENTRYPOINT ["/app/entrypoint.sh"]
 CMD ["npm", "run", "start"]