External PostgreSQL

# my-values.yaml
postgresql:
  local_enabled: false
  host: postgres.example.com
  port: 5432
  database: firebolt_metadata
  username: firebolt
  schema: public

  credentials:
    # Secret with `username` and `password` keys, in the release namespace.
    existingSecret: metadata-postgres-creds

# Create the Secret that `existingSecret` in my-values.yaml references.
kubectl create secret generic metadata-postgres-creds -n firebolt \
  --from-literal=username=firebolt --from-literal=password='…'

# Install the chart with PostgreSQL pointed at the external host.
helm install firebolt ./helm \
  --namespace firebolt --create-namespace \
  -f my-values.yaml

kubectl -n firebolt get statefulset
# firebolt-metadata-pg is absent (it renders only with local_enabled: true)

# Inspect the Metadata Service logs for PostgreSQL connection lines.
kubectl -n firebolt logs deployment/firebolt-metadata-service | grep -i postgres