feat: allows to change the Pilot URL in the web UI in dev mode

Makefile

@@ -37,6 +37,8 @@ DOCKER_RUN_TRAEFIK_NOTTY := docker run $(INTEGRATION_OPTS) $(if $(DOCKER_NON_INT
 
 PRE_TARGET ?= build-dev-image
 
+PLATFORM_URL := $(if $(PLATFORM_URL),$(PLATFORM_URL),"https://pilot.traefik.io")
+
 default: binary
 
 ## Build Dev Docker image
@@ -53,7 +55,7 @@ dist:
 
 ## Build WebUI Docker image
 build-webui-image:
-	docker build -t traefik-webui -f webui/Dockerfile webui
+	docker build -t traefik-webui --build-arg ARG_PLATFORM_URL=$(PLATFORM_URL) -f webui/Dockerfile webui
 
 ## Generate WebUI
 generate-webui: build-webui-image

webui/Dockerfile

@@ -1,6 +1,8 @@
 FROM node:12.18
 
 ENV WEBUI_DIR /src/webui
+ARG ARG_PLATFORM_URL=https://pilot.traefik.io
+ENV PLATFORM_URL=${ARG_PLATFORM_URL}
 RUN mkdir -p $WEBUI_DIR
 
 COPY package.json $WEBUI_DIR/