go mod init photolist
go mod init github.com/rvasily/photolist
go build
go mod download
go mod verify
go mod tidy

GO111MODULE=on go mod init photolist
GO111MODULE=on go build
GO111MODULE=on go mod download
GO111MODULE=on go mod verify

go mod vendor
GO111MODULE=on go mod vendor

go build -mod=vendor \
		-o ./bin/photolist \
		./cmd/photolist