Update README.md

Author: katturajam

README.md

@@ -9,7 +9,7 @@ Supported tags and respective Dockerfile links
 # Usage to build your apps
 
 ```
-FROM katturaja/docker-nodejs-oracledb-base:8.12.0-slim
+FROM katturaja/docker-nodejs-oracledb-instantclient:8.12.0-slim
 # Create app base directory
 RUN mkdir -p /src