1. Run `docker run --rm -v "${PWD}:/go/src/github.com/mastertinner/s3-manager" -w /go/src/github.com/mastertinner/s3-manager golang curl https://glide.sh/get | sh && glide install && go build`
To cross-compile for windows, use the `-e "GOOS=windows" -e "GOARCH=amd64"` flags (depending on your system, you might have to adjust `GOARCH`)
To cross-compile for macOS, use the `-e "GOOS=darwin" -e "GOARCH=amd64"` flags (depending on your system, you might have to adjust `GOARCH`)