build: pin redis container image to digest in Helm chart

Author: archf

charts/opslevel/templates/_helpers.tpl

@@ -64,7 +64,7 @@ https://github.com/apps/{{ required "please provide 'integrations.github.secret.
 {{- end }}
 
 {{- define "redis.image" -}}
-{{ .Values.global.proxy }}{{if .Values.global.proxy }}/{{ end }}{{ .Values.redis.image.repository }}:{{ .Values.redis.image.tag }}
+{{ .Values.global.proxy }}{{if .Values.global.proxy }}/{{ end }}{{ .Values.redis.image.repository }}:{{ .Values.redis.image.tag }}@{{ .Values.redis.image.digest }}
 {{- end }}
 
 {{- define "postgres.image" -}}
@@ -93,4 +93,4 @@ https://github.com/apps/{{ required "please provide 'integrations.github.secret.
 
 {{- define "faktory.url" -}}
 tcp://admin:{{ .Values.faktory.secret.password }}@faktory:7419
-{{- end }}
+{{- end }}

charts/opslevel/values.yaml

@@ -193,6 +193,7 @@ redis:
   image:
     repository: "746108190720.dkr.ecr.us-east-1.amazonaws.com/redis"
     tag: "8.0.6"
+    digest: "sha256:9de560a2247d11275bd00cf32029949f451ed2c6a44cfb85c1b00d9a5886ac3d"
   resources: *resourcesMedium
   pod:
     annotations: {}