Ruby Upload File to AWS S3

ruby_upload_to_aws_s3.rb

require 'aws-sdk-s3'  # v2 version use: require 'aws-sdk'

Aws.config.update({
  credentials: Aws::Credentials.new('x', 'x')
})
s3 = Aws::S3::Resource.new(region: 'cn-north-1')
# Beijing: cn-north-1
# Ningxia: cn-northwest-1

file = './test_file_to_s3_bucket.txt'
bucket = '<you bucket name>'
      
# Get just the file name
name = File.basename(file)

# Create the object to upload
obj = s3.bucket(bucket).object(name)

# Upload it      
obj.upload_file(file)