compile the traefik dashboard UI

MOCKCONFIG/traefik.cfg

@@ -1,2 +1,3 @@
 BUILDER="fedora-35-x86_64"
-EXTRA_PARAMS="--enable-network"
+# --no-bootstrap-image is required to use the dnf modules
+EXTRA_PARAMS="--no-bootstrap-image --enable-network --enablerepo=fedora-modular --config-opts package_manager=dnf --config-opts module_enable=nodejs:12 --config-opts module_install=nodejs:12/default"

SPECS/traefik.spec

@@ -11,7 +11,7 @@ and configures itself automatically and dynamically. Pointing Traefik at your
 orchestrator should be the only onfiguration step you need.}
 
 Name:       traefik
-Release:    itix1
+Release:    itix2
 Summary:    The Cloud Native Application Proxy
 License:    MIT
 ExclusiveArch: x86_64
@@ -28,6 +28,8 @@ BuildRequires: breezy
 BuildRequires: golang >= 1.15
 BuildRequires: git
 BuildRequires: go-bindata
+BuildRequires: nodejs
+BuildRequires: npm
 
 %description
 %{common_description}
@@ -45,13 +47,13 @@ cp %{S:1} %{name}.service
 cp %{S:2} %{name}.yaml
 
 %build
-GO111MODULE=off go get github.com/containous/go-bindata/...
+(cd webui && npm install && npm run build:nc)
 
 # Workaround for "GOVCS disallows using bzr for public XXX"
 export GOVCS='private:all,public:all'
 
 go generate
-CGO_ENABLED=0 GO111MODULE=on go build -o %{gobuilddir}/traefik %{goipath}/cmd/traefik
+CGO_ENABLED=0 GO111MODULE=on go build -ldflags="-s -w -X 'github.com/traefik/traefik/v2/pkg/version.Version=%Version' -X 'github.com/traefik/traefik/v2/pkg/version.Codename=ITIX' -X 'github.com/traefik/traefik/v2/pkg/version.BuildDate=$(date -Iseconds)'" -o %{gobuilddir}/traefik %{goipath}/cmd/traefik
 
 %install
 install -d %{buildroot}/opt/%{name}/etc/