The image shows an OCI tenancy with the services Notifications, Logging, and Monitoring ready to be used with Policies configured to allow the relevant users to use these services.

Connectivity for using Postman and Slack have been set up.

A VCN contains a public subnet with a single virtual machine (VM) running in fault domain 1. The internet gateway and service gateways will allow the VM to access external services and OCI services.