Upgrade instructions - FHIR Works on AWS

Upgrade instructions

  • FHIR Works on AWS now reads/writes Amazon OpenSearch Service documents from aliases instead of indexes. This change simplifies performing re-indexing operations without downtime. Aliases are automatically created when resources are written to Amazon OpenSearch Service, but read operations might fail for existing deployments if the aliases do not exist already.

    Mitigation: After upgrade, send one update/create request on each resource type to get the aliases created.

  • The Cognito ID token is now used instead of the access token to authorize requests.

    Mitigation: After upgrade, use AWS CLI to request new ID token, then paste the token into Postman directly. Token can no longer be requested through Postman. For more information, see Accessing the FHIR API.