How to define HTTP routes on a router — Basic

Server Architecture / Routes Building routes

Map GET, POST, PUT, and DELETE handlers to paths using router methods or router.route().

Learn: REST maps actions to HTTP verbs: GET reads, POST creates, PUT/PATCH updates, DELETE removes. Use `router.route(path)` to chain verbs on the same path. Handlers should delegate to controllers, not contain SQL.

Supplementary examples

CRUD routes on one path

router
  .route("/:pasteId")
  .get(controller.read)
  .put(controller.update)
  .delete(controller.remove);

router.route("/").get(controller.list).post(controller.create);

Separate verb methods

router.get("/", controller.list);
router.post("/", controller.create);

Course example

const pastesRouter = require("../pastes/pastes.router");
router.use("/:userId/pastes", pastesRouter);

Additional references & examples

Express Router API
Router methods, route parameters, and mounting paths.
RESTful API design (readthedocs)
Resource naming and HTTP verb conventions (cited in course).
HTTP status codes (MDN)
When to use 200, 201, 204, 400, 404, 500, and related codes.