FROM golang

COPY knockr.go /go/knockr.go

RUN go get github.com/mkideal/cli

ENV destination=
ENV gatewayport=80
ENV whitelistport=8080
ENV timeout=600

WORKDIR /go
CMD go run knockr.go --Destination ${destination} --WhitelistPort ${whitelistport} --GatewayPort ${gatewayport} --Timeout ${timeout}