This simple DA server implementation supports irys. See the Irys doc for more information on how to configure the irys client.
The DA server implementation supports local storage via file based storage and remote via S3 refer to op-optimism for more information
Depending on your cloud provider a wide array of configurations are available. The S3 client will load configurations from the environment, shared credentials and shared config files. Sample environment variables are provided below:
export IRYS_PRIVATE_KEY=YOUR_IRYS_PRIVATE_KEY
export IRYS_PAYMENT_NETWORK=YOUR_IRYS_PAYMENT_NETWORK
export IRYS_PAYMENT_RPC=YOUR_IRYS_PAYMENT_RPC
export IRYS_PAYMENT_RPC=true