{"success":true,"message":"Express CRUD API Server","version":"1.0.0","endpoints":{"categories":"/api/categories","users":"/api/users","products":"/api/products","health":"/health"},"documentation":{"categories":{"GET /api/categories":"Get all categories","GET /api/categories/:id":"Get category by ID","POST /api/categories":"Create new category","PUT /api/categories/:id":"Update category","DELETE /api/categories/:id":"Delete category"},"users":{"GET /api/users":"Get all users","GET /api/users/:id":"Get user by ID","POST /api/users":"Create new user","PUT /api/users/:id":"Update user","DELETE /api/users/:id":"Delete user"},"products":{"GET /api/products":"Get all products","GET /api/products/:id":"Get product by ID","POST /api/products":"Create new product (with image upload)","PUT /api/products/:id":"Update product (with image upload)","DELETE /api/products/:id":"Delete product"}}}