Founder of gigalixir here. We use GCP under the covers by default, but you can also choose to use AWS if you like. You can also choose which region you want to

Founder of gigalixir here. We use GCP under the covers by default, but you can also choose to use AWS if you like. You can also choose which region you want to run in, but we only support us-east1 and us-west2, and on GCP: us-central1 and europe-west1.