Unable to deploy ChirpStack v4 Container on K8s Using Helm

~$ kubectl logs chirpstack-v4-server-765c44b58b-fw8zj
2024-05-01T10:02:15.198082Z INFO chirpstack::cmd::root: Starting ChirpStack LoRaWAN Network Server version=“4.7.0” docs=“https://www.chirpstack.io/
2024-05-01T10:02:15.198153Z INFO chirpstack::storage: Setting up PostgreSQL connection pool
2024-05-01T10:02:15.198468Z INFO chirpstack::storage: Applying schema migrations
Error: Error occurred while creating a new object: error connecting to server: Connection refused (os error 111)

Caused by:
** error connecting to server: Connection refused (os error 111)**