Provided by: apt-transport-s3_2.1.0-1_all 
      
    
NAME
DESCRIPTION
       apt-transport-s3  -  it's  a  package which contains apt transport ('plugin') allowing apt to fetch files
       stored in private repositories held on AWS S3.
Bucket name
       According to the S3 bucket naming convention to make it working with this transport over TLS bucket  name
       can    NOT    contain    dots    in    it.    More    information    about    it    can   be   found   at
       https://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html
AWS Credentials
       To access repositories held on S3 it is compulsory to have correct  permissions  into  the  bucket  where
       repository is located and those permissions have to be reflected in at least one of below two places.
       IAM Roles default place where S3 transport is looking for credentials allowing for fetching files from S3
       bucket
       /etc/apt/s3auth.conf credentials configuration file in ini format without section headers
URI format
       URI  format is in standard apt format only difference with S3 transport is that instead of HTTP(s), cdrom
       or FTP protocol s3 should be used
       ex.  deb [trusted=yes] s3://bucket_name/ testing main contrib non-free
EXAMPLE /etc/apt/s3auth.conf
        AccessKeyId = myaccesskey
        SecretAccessKey = mysecrectkey
        Region = eu-west-1
        Endpoint = 'nyc3.digitaloceanspaces.com'
                                                 August 14, 2014                             APT-TRANSPORT-S3(8)