An AWS Lambda function is simply the code you want to run, written in your language of choice (I preference Python, but. Regardless of its name, all of these services fulfill the same purpose - a small compute building block to house your business logic code. For Google, this is Google Functions (yes, AWS just HAD to be different). If you're in Azure, your equivalent service is Azure Functions. The easiest way to describe a bucket is to compare it to a folder on your computer. In order to store these resources, you provision your own storage space, known as an S3 'Bucket'. You can store any number of items in S3, from various documents, to images, videos, entire file systems, and so on. Serverless Storage Amazon S3 Amazon S3 is a popular abbreviation for 'Simple Storage Solution' and is known as object storage.Which has 99.999999999% data durability (that’s not an exaggeration ). I work as an SRE (Site Reliability Engineer) which means my job is working in the cloud assuming they are using a cloud service (which they totally are, my guess is AWS) if they are they are using a service called S3.

Amazon glacier vs backblaze