Update arch and show version after build

Makefile

@@ -1,4 +1,5 @@
 OS := $(shell uname -s)
+ARCH := $(shell uname -m)
 GO_VERSION := $(shell go version | cut -f3 -d" ")
 GO_MINOR_VERSION := $(shell echo $(GO_VERSION) | cut -f2 -d.)
 GO_PATCH_VERSION := $(shell echo $(GO_VERSION) | cut -f3 -d. | sed "s/^\s*$$/0/")
@@ -13,7 +14,7 @@ test:
 	$(MALLOC_ENV) go test -v -race -timeout 1m ./...
 
 .PHONY: test-e2e
-test-e2e: container.build build
+test-e2e: build container.build
 	scripts/test-e2e
 	timeout -v --preserve-status --foreground 10m scripts/test-e2e-hazelcast toxiproxy
 
@@ -48,9 +49,10 @@ build: dist clean
 
 .PHONY: container.build
 container.build:
-	env GOOS=linux go build -ldflags="-s -w" -o ./dist/toxiproxy-server-linux-$(uname -m) ./cmd/server
-	env GOOS=linux go build -ldflags="-s -w" -o ./dist/toxiproxy-cli-linux-$(uname -m) ./cmd/cli
+	env GOOS=linux go build -ldflags="-s -w" -o ./dist/toxiproxy-server-linux-$(ARCH) ./cmd/server
+	env GOOS=linux go build -ldflags="-s -w" -o ./dist/toxiproxy-cli-linux-$(ARCH) ./cmd/cli
 	docker build -f Dockerfile -t toxiproxy dist
+	docker run --rm toxiproxy --version
 
 .PHONY: release
 release: