chore(helm): example config for backup upload to s3

Signed-off-by: rjshrjndrn <rjshrjndrn@gmail.com>

scripts/helmcharts/databases/charts/clickhouse/templates/statefulset.yaml

@@ -29,6 +29,8 @@ spec:
       containers:
         - name: {{ .Chart.Name }}-backup
           env:
+          - name: API_LISTEN
+            value: "0.0.0.0:7171"
           {{- range $key, $value := .Values.env }}
           - name: "{{ $key }}"
             value: "{{ $value }}"

scripts/helmcharts/databases/charts/clickhouse/values.yaml

@@ -43,6 +43,19 @@ securityContext: {}
 
 env: {}
 
+backupEnv: {}
+# REf: https://github.com/AlexAkulov/clickhouse-backup#default-config
+#
+# Example config for backup to s3
+#
+# REMOTE_STORAGE: s3
+# S3_ACCESS_KEY: ""                   # S3_ACCESS_KEY
+# S3_SECRET_KEY: ""                   # S3_SECRET_KEY
+# S3_BUCKET: ""                       # S3_BUCKET
+# S3_ENDPOINT: ""                     # S3_ENDPOINT
+# S3_REGION: US-east-1                # S3_REGION
+
+
 service:
   webPort: 9000
   dataPort: 8123