add Dockerfile

Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:1.10-alpine3.7
+
+WORKDIR /go/src/vsphere-influxdb-go
+COPY . .
+RUN apk --update add --virtual build-deps git \
+ && go get -d -v ./... \
+ && go install -v ./... \
+ && rm -rf /go/src \
+ && apk del build-deps
+
+RUN addgroup -S spock && adduser -S spock -G spock
+
+USER spock
+
+CMD ["/vsphere-influxdb-go"]