add extraVolumes and extraVolumeMounts to helm chart

script/helm/garage/templates/workload.yaml

@@ -76,6 +76,9 @@ spec:
             - name: etc
               mountPath: /etc/garage.toml
               subPath: garage.toml
+          {{- with .Values.extraVolumeMounts }}
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
           # TODO
           # livenessProbe:
           #   httpGet:
@@ -110,6 +113,9 @@ spec:
         - name: data
           emptyDir: {}
         {{- end }}
+        {{- with .Values.extraVolumes }}
+          {{- toYaml . | nindent 8 }}
+        {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

script/helm/garage/values.yaml

@@ -218,6 +218,10 @@ affinity: {}
 
 environment: {}
 
+extraVolumes: {}
+
+extraVolumeMounts: {}
+
 monitoring:
   metrics:
     # If true, a service for monitoring is created with a prometheus.io/scrape annotation