go mod init main
go get github.com/aws/aws-sdk-go-v2/aws
go get github.com/aws/aws-sdk-go-v2/config
go get github.com/aws/aws-sdk-go-v2/feature/s3/manager
go get github.com/aws/aws-sdk-go-v2/service/s3
config/key.txt
go run syncLocalToS3.go
https://docs.aws.amazon.com/code-library/latest/ug/go_2_s3_code_examples.html https://medium.com/@mertkimyonsen/encrypt-a-file-using-go-f1fe3bc7c635