dockerfile geadded

Dockerfile

@@ -0,0 +1,13 @@
+FROM golang:1.14 as build-env
+
+WORKDIR /go/src/app
+ADD . /go/src/app
+
+RUN go get -d -v ./...
+
+RUN go build -o /go/bin/app
+
+FROM gcr.io/distroless/base
+COPY --from=build-env /go/bin/app /
+CMD ["/app"]
+EXPOSE 8080