Bug: REDIS_HOST incorrectly set to port instead of host when using externalValkey

[btwshivam]

Description

In templates/configmap_env.yaml at line 143, when using externalValkey, the REDIS_HOST is incorrectly set to .Values.externalValkey.port instead of .Values.externalValkey.host.

Location

templates/configmap_env.yaml line 143

Current Code (Broken)

Expected Behavior
REDIS_HOST should be set to the host value (e.g., "my-redis-server"), not the port (e.g., "6379")

Suggested Fix

Chart Version
v0.23.0