Add caveats

Author: stainboy

README.md

@@ -1,4 +1,4 @@
-# SpringBoot JPA with HANA
+# SpringBoot JPA with SAP HANA
 A demo Java application leveraging Spring JPA with SAP HANA database.
 
 ## How to build and run?
@@ -8,15 +8,24 @@ $ java -jar build/libs/springboot-jpa-hana-0.1.0.jar
 ```
 Then open browser and visit http://localhost:8080
 
-## How to run directly
+## How to run directly?
 ```bash
 $ gradle bootRun
 ```
 Then open browser and visit http://localhost:8080
 
-## How to run with Docker
+## How to run with Docker?
 ```bash
 $ docker build -t springboot-jpa-hana .
-$ docker run -v 8080:8080 springboot-jpa-hana
+$ docker run -p 8080:8080 springboot-jpa-hana
 ```
 Then open browser and visit http://localhost:8080
+
+## How to generate some test data?
+```bash
+$ curl -i localhost:8080/users/ -F name=John_Doe -F email=foo@bar.com -F locale=en
+```
+
+## Caveats
+- The solution only works with HANA 2.0 because it requires `select hibernate_sequence.nextval from sys.dummy` when auto generates Id.
+- Append `database=MDC_NAME&encrypt=true&validateCertificate=false` to `spring.datasource.url` when applicable.