Simple Storage Service
It's an Amazon AWS service that covers everything from hosting web pages to storing files.
S3 contains a bucket, a bucket is a storage space where we can host web pages or store files.
S3 can have multiple buckets, up to 100 buckets per AWS account by default.
buckets are nothing just key=value pairs, it just shows like directories in the UI to us.
Durability
Infinite scalable(Elastic scalability).
99.9999999999999999% uptime
99.9999999999999999% durable
The file could be from 1Byte to 5TB.
Features
Encryption
Lifecycle management
Versioning
Security
Permission management
Consistency
Uploading data is immediate, respond in 200
updating data is sometimes delayed, you may get old data in the immediate request but mostly it is updated instantly.
Pricing
uploading data is free
storage is paid (up to 5 GB is free for free tier)
requests are paid (CRUD operations thru API's)