Remove abandoned react-app (#4617)

The experimental react-app has been abandoned. Remove
the code to avoid continued maintence.

Signed-off-by: SuperQ <[email protected]>

Author: SuperQ

.github/dependabot.yml

@@ -18,8 +18,3 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
-  - package-ecosystem: "npm"
-    directory: "/ui/react-app"
-    open-pull-requests-limit: 20
-    schedule:
-      interval: "monthly"

Makefile

@@ -27,19 +27,10 @@ STATICCHECK_IGNORE =
 build-all: assets apiv2 build
 
 .PHONY: build
-build: build-react-app assets-compress common-build
+build: common-build
 
 .PHONY: lint
-lint: assets-compress common-lint
-
-.PHONY: build-react-app
-build-react-app:
-	cd ui/react-app && npm install && npm run build
-
-.PHONY: assets-compress
-assets-compress: build-react-app
-	@echo '>> compressing assets'
-	scripts/compress_assets.sh
+lint: common-lint
 
 .PHONY: assets
 assets: asset/assets_vfsdata.go

cmd/alertmanager/main.go

@@ -60,7 +60,6 @@ import (
 	"github.com/prometheus/alertmanager/timeinterval"
 	"github.com/prometheus/alertmanager/types"
 	"github.com/prometheus/alertmanager/ui"
-	reactapp "github.com/prometheus/alertmanager/ui/react-app"
 )
 
 var (
@@ -549,7 +548,6 @@ func run() int {
 	webReload := make(chan chan error)
 
 	ui.Register(router, webReload, logger)
-	reactapp.Register(router, logger)
 
 	mux := api.Register(router, *routePrefix)
 

go.mod

@@ -36,7 +36,6 @@ require (
 	github.com/oklog/ulid v1.3.1
 	github.com/prometheus/client_golang v1.23.2
 	github.com/prometheus/common v0.67.1
-	github.com/prometheus/common/assets v0.2.0
 	github.com/prometheus/exporter-toolkit v0.14.1
 	github.com/prometheus/sigv4 v0.2.1
 	github.com/rs/cors v1.11.1

go.sum

@@ -487,8 +487,6 @@ github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB8
 github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
 github.com/prometheus/common v0.67.1 h1:OTSON1P4DNxzTg4hmKCc37o4ZAZDv0cfXLkOt0oEowI=
 github.com/prometheus/common v0.67.1/go.mod h1:RpmT9v35q2Y+lsieQsdOh5sXZ6ajUGC8NjZAmr8vb0Q=
-github.com/prometheus/common/assets v0.2.0 h1:0P5OrzoHrYBOSM1OigWL3mY8ZvV2N4zIE/5AahrSrfM=
-github.com/prometheus/common/assets v0.2.0/go.mod h1:D17UVUE12bHbim7HzwUvtqm6gwBEaDQ0F+hIGbFbccI=
 github.com/prometheus/exporter-toolkit v0.14.1 h1:uKPE4ewweVRWFainwvAcHs3uw15pjw2dk3I7b+aNo9o=
 github.com/prometheus/exporter-toolkit v0.14.1/go.mod h1:di7yaAJiaMkcjcz48f/u4yRPwtyuxTU5Jr4EnM2mhtQ=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=