initial commit

Change-Id: I513c057a29f1b132d4555cae4cb8da1c09cae5a8

src/main/resources/application-postgres.properties

@@ -0,0 +1,7 @@
+# database init, supports postgres too
+database=postgres
+spring.datasource.url=${POSTGRES_URL:jdbc:postgresql://localhost/petclinic}
+spring.datasource.username=${POSTGRES_USER:petclinic}
+spring.datasource.password=${POSTGRES_PASS:petclinic}
+# SQL is written to be idempotent so this is safe
+spring.sql.init.mode=always