feat: build static file in global process

- Create a webui DockerFile
- add task `generate-webui`
- use task `generate-webui` in build process

Makefile

@@ -24,10 +24,10 @@ default: binary
 all: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh
 
-binary: build
+binary: build generate-webui
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate binary
 
-crossbinary: build
+crossbinary: build generate-webui
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate crossbinary
 
 test: build
@@ -52,6 +52,7 @@ validate-golint: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-golint
 
 build: dist
+	docker build -t traefik-webui -f webui/Dockerfile webui
 	docker build -t "$(TRAEFIK_DEV_IMAGE)" -f build.Dockerfile .
 
 build-no-cache: dist
@@ -70,3 +71,6 @@ run-dev:
 	go generate
 	go build
 	./traefik
+
+generate-webui:
+	docker run --rm -v "$$PWD/static":'/src/static' traefik-webui gulp build

README.md

@@ -83,6 +83,7 @@ Refer to the [benchmarks section](docs/index.md#benchmarks) in the documentation
 You need either [Docker](https://github.com/docker/docker) and `make`, or `go` and `glide` in order to build traefik.
 
 #### Setting up your `go` environment
+
 - You need `go` v1.5
 - You need to set `export GO15VENDOREXPERIMENT=1` environment variable
 - You need `go-bindata` to be able to use `go generate` command (needed to build) : `go get github.com/jteeuwen/go-bindata/...`.
@@ -90,8 +91,7 @@ You need either [Docker](https://github.com/docker/docker) and `make`, or `go` a
 
 #### Using `Docker` and `Makefile`
 
-You need to run the `binary` target. This will create binaries for
-linux platform in the `dist` folder.
+You need to run the `binary` target. This will create binaries for Linux platform in the `dist` folder.
 
 ```bash
 $ make binary

webui/Dockerfile

@@ -0,0 +1,18 @@
+FROM node:5.4
+
+ENV WEBUI_DIR /src/webui
+RUN mkdir -p $WEBUI_DIR
+
+RUN npm install -g gulp bower
+
+COPY package.json $WEBUI_DIR/
+COPY .bowerrc $WEBUI_DIR/
+COPY bower.json $WEBUI_DIR/
+
+WORKDIR $WEBUI_DIR
+RUN npm install
+RUN bower install --allow-root
+
+COPY . $WEBUI_DIR/
+
+EXPOSE 3000 3001 8080

webui/readme.md

@@ -8,6 +8,14 @@ Træfɪk Web UI provide 2 types of informations:
 - Providers with their backends and frontends information.
 - Health of the web server.
 
+## How to build (for backends developer)
+
+Use the make file :
+
+```shell
+make build           # Generate Docker image
+make generate-webui  # Generate static contents in `traefik/static/` folder.
+```
 
 ## How to build (only for frontends developer)