seaweedFS/test/s3/filer_group/test_config.json

{
  "s3_endpoint": "http://localhost:8333",
  "master_address": "localhost:9333",
  "access_key": "some_access_key1",
  "secret_key": "some_secret_key1",
  "region": "us-east-1",
  "filer_group": "testgroup"
}