I have a SQL server [third party owned], and want to build a FHIR service. I am planning to use PHP. Do I need to use a FHIR server? or can I simply build a restful API connecting to the database?
Is there any tutorial I could follow? or a book that can guide me on the steps that I need? What is the meaning of FACADE? Can I use the HAPI FHIR server to connect to a SQL server?
Sorry so many questions, but I am new to FHIR, and want some advice on how to start developing a FHIR service. Even if there is an example implementation that I could follow that would be great.