Show HN: Auto-generate an OpenAPI spec by listening to localhost(github.com)

    @Path("/people")
    public class PeopleApi {
        @Path("{personId}")
        @GET
        public Person getPerson(@PathParam("personId") int personId) {
            return db.getPerson(personId);
        }
    }

    func GetPerson(w http.ResponseWriter, r *http.Request) {
        personId, _ := strconv.Atoi(r.URL.Path.something)
        person := db.GetPerson(personId)
        w.Write(json.marshal(person))
    }

    func GetPerson(c echo.Context) error { //or with something like Echo/Gin
        id := c.Param("id")
        person := db.GetPerson(id)
        return c.Json(http.StatusOK, person)
    }

    type GetPersonRequest struct {
        Request `path:/people/{personId}`
        PersonId int `param:path`
    }
    func GetPerson(personRequest GetPersonRequest) Person {
        return db.GetPerson(personRequest.PersonId)
    }