Add linux/arm to the list of server builds

build/pause/Makefile

@@ -1,10 +1,14 @@
 .PHONY:	build push
 
-IMAGE = pause
 TAG = 2.0
 
+ARCH = amd64
+IMAGE = pause
+# ARCH = arm
+# IMAGE = pause-arm
+
 build:
-	./prepare.sh
+	./prepare.sh ${ARCH}
 	docker build -t gcr.io/google_containers/$(IMAGE):$(TAG) .
 
 push:	build

build/pause/prepare.sh

@@ -17,8 +17,10 @@
 set -e
 set -x
 
+ARCH=$1
+
 # Build the binary.
-go build --ldflags '-extldflags "-static" -s' pause.go
+CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} godep go build -a -installsuffix cgo -ldflags '-w' ./pause.go
 
 # Run goupx to shrink binary size.
 go get github.com/pwaller/goupx