Develop initial POC for referral handler service

[awilson-AC]

Initial Minimal Proof-of-Concept

• Deploy as an API service on Azure, either Docker or Azure service
• Must to assigned a fixed IP address specific to this service, for security reasons
• Stateless service that has no data store of its own
  • Final product will need a limited in-memory state to collect and bundle a series of FHIR REST queries to/from Alliance Chicago before posting that result to the Social Care Hub FHIR service.
• Provide a very limited REST API where Alliance Chicago can POST a FHIR R4 List resource in JSON format to this service endpoint. The service does not need to support an extensive FHIR API. Future iterations will need to accept POST of a FHIR R4 DocumentReference resource from the eCare application or some other process associated with the Social Care Hub.
  • TODO: confirm with Jeremy preference for JSON vs XML format
• REST API must use https secure connection to protect patient data
  • Https secure connection could be omitted from the PoC
• Provide some means to confirm that the List resource was received, and record or log its contents.
  • Ideally, POST this resource to our Social Care Hub FHIR service

Full doc: https://docs.google.com/document/d/1KZX-tNpmN1rIss56pqUFkgwjwOdLCHSPUQaRiD3KMQk/edit?usp=sharing

Testing:

• Can aP connect to the referral handler service via fixed IP?
• Can Referral Handler Service receive FHIR List from aP?
• Can Referral Handler Service make query to aP?