server: Add config for the database

server/conf/application.conf

@@ -35,6 +35,31 @@ play.modules.enabled += "com.xsn.explorer.modules.ConfigModule"
 play.modules.enabled += "com.xsn.explorer.modules.ExecutorsModule"
 play.modules.enabled += "com.xsn.explorer.modules.XSNServiceModule"
 
+
+db.default {
+  driver = "org.postgresql.Driver"
+  host = "localhost:5432"
+  database = "xsn_blockchain"
+  username = "postgres"
+  password = ""
+
+  host = ${?XSN_PSQL_HOST}
+  database = ${?XSN_PSQL_DATABASE}
+  username = ${?XSN_PSQL_USERNAME}
+  password = ${?XSN_PSQL_PASSWORD}
+
+  url = "jdbc:postgresql://"${db.default.host}"/"${db.default.database}
+}
+
+play.evolutions {
+  autoApply = true
+
+  db.default {
+    enabled = true
+    autocommit = false
+  }
+}
+
 externalService.dispatcher {
   executor = "thread-pool-executor"
   throughput = 1