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+Pass the URL of the Oracle server with `URL` envvar:
+
+```
+$ docker run -e URL=<user>/<password>@//xxx.yyy.eu-west-1.rds.amazonaws.com:1521/ORCL -ti sflyr/sqlplus
+
+SQL*Plus: Release 11.2.0.3.0 Production on Tue Aug 11 15:41:07 2015
+
+Copyright (c) 1982, 2011, Oracle.  All rights reserved.
+
+
+Conectado a:
+Oracle Database 11g Release 11.2.0.1.0 - 64bit Production
+
+SQL> _
+```