Add a Makefile and a Dockerfile to build images.

Makefile

@@ -0,0 +1,9 @@
+DOCKER_IMAGE_NAME ?= status-bots
+
+docker-image:
+	docker build --file _assets/Dockerfile . -t $(DOCKER_IMAGE_NAME):latest
+
+allbots:
+	go build -i -o ./pinger     -v  ./cmd/pinger
+	go build -i -o ./chanreader -v ./cmd/chanreader
+	

_assets/Dockerfile

@@ -0,0 +1,21 @@
+# Build status-go in a Go builder container
+FROM golang:1.9-alpine as builder
+
+ARG build_tags
+
+RUN apk add --no-cache make gcc musl-dev linux-headers
+
+WORKDIR /go/src/github.com/mandrigin/status-go-bots
+ADD . .
+RUN make allbots
+
+# Copy the binary to the second image
+FROM alpine:latest
+
+RUN apk add --no-cache ca-certificates bash
+
+COPY --from=builder /go/src/github.com/mandrigin/status-go-bots/pinger     /usr/local/bin/
+COPY --from=builder /go/src/github.com/mandrigin/status-go-bots/chanreader /usr/local/bin/
+
+# 30304 is used for Discovery v5
+EXPOSE 8080 8545 30303 30303/udp 30304/udp

cmd/pinger/main.go

@@ -13,12 +13,13 @@ func main() {
 	cli.Run(&bots.Config{}, func(ctx *cli.Context) error {
 		conf := ctx.Argv().(*bots.Config)
 
-		node := bots.Quickstart(conf, 10*time.Second, func(ch *bots.StatusChannel) {
+		node := bots.Quickstart(*conf, 10*time.Second, func(ch *bots.StatusChannel) {
 			message := fmt.Sprintf("Gopher, gopher: %d", time.Now().Unix())
 			ch.SendMessage(message)
 		})
 
 		// wait till node has been stopped
 		node.Wait()
-	}
+		return nil
+	})
 }