Setting up S3 locally

S3 is a highly available object storage service provided by AWS. As with most AWS services, it provides a REST API to interact with as well as an SDK.

In order to simulate S3 locally, we shall use S3mock (https://github.com/adobe/S3Mock), a highly rated project on GitHub.

A Docker image is available for it, which also provides the configuration option to create a bucket from the start.

We shall add it to our Compose file and attach it to the internal network:

services:
...
  s3:
    image: adobe/s3mock
    ports:
     - 9090:9090
    networks:
     - aws-internal
    environment:
      - initialBuckets=subscription-bucket

We will add a code snippet for it; thus, the following package needs to be included (the following commands need to be executed from the s3-snippet directory...