add test

cli/Dockerfile

@@ -0,0 +1,12 @@
+# build stage
+FROM golang:alpine AS build-env
+RUN set -eux; \
+    apk add --no-cache --virtual .build-deps \
+    git gcc libc-dev;
+ENV GO111MODULE on
+WORKDIR /go/main
+ADD go.mod go.sum ./
+RUN go mod download
+# WORKDIR /go/src/status-monitor
+ADD main.go ./
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -a -installsuffix cgo -o main main.go