fix: avoid rendering empty env key in querier deployment (#650)

Signed-off-by: Artem Muterko <artem@sopho.tech>
Co-authored-by: Tom Hayward <thayward@infoblox.com>

Author: archy-rock3t-cloud

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## master / unreleased
 
+* [BUGFIX] Querier: avoid rendering empty `env:` key when no env vars are set
 * [BUGFIX] Ruler: fix sidecar securityContext using main container's condition instead of sidecar's
 
 ## 3.3.4 / 2026-06-23

templates/querier/querier-dep.yaml

@@ -88,10 +88,10 @@ spec:
           {{- if .Values.querier.containerSecurityContext.enabled }}
           securityContext: {{- omit .Values.querier.containerSecurityContext "enabled" | toYaml | nindent 12 }}
           {{- end }}
+          {{- if .Values.querier.env }}
           env:
-            {{- if .Values.querier.env }}
-              {{- toYaml .Values.querier.env | nindent 12 }}
-            {{- end }}
+            {{- toYaml .Values.querier.env | nindent 12 }}
+          {{- end }}
           {{- with .Values.querier.lifecycle }}
           lifecycle:
             {{- toYaml . | nindent 12 }}