I am actually running a .Net Core app in a docker container that communicates with a Oracle Database.
All runs well when I use the direct database server IP address in the connection string.
Next step was to replace the IP address with the IP SCAN , locally it works, the problem comes when the container is deployed in the Oracle Linux Server, the docker log is showing the next error:
ORA-12545: Network Transport: Unable to resolve connect hostname
Next I added the DNS parameter to the docker run command, then open the container CLI and made a ping to the IP SCAN, the packages returned succesfully, but when the app was called, same error was showed in log.
Your help will be appreciated.
Thanks in advance.