allow trailing slashes

cmd/app/main.go

@@ -78,7 +78,16 @@ func _main(ctx context.Context) error {
 			handler.ServeHTTP(w, r)
 		})
 	})
+	mux.Group(func(mux chi.Router) {
+		mux.Use(func(handler http.Handler) http.Handler {
+			return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				// allow trailing '/' at end of requests (the openapi gen package doesn't support it)
+				r.URL.Path = strings.TrimSuffix(r.URL.Path, "/")
+				handler.ServeHTTP(w, r)
+			})
+		})
 		mux.Mount("/api", apiv1)
+	})
 	mux.Mount("/", http.FileServer(
 		http.FS(web{}),
 	))