feat: add customer event (#7029)

.github/helm/affine/charts/graphql/templates/deployment.yaml

@@ -191,6 +191,13 @@ spec:
                 name: "{{ .Values.app.oauth.github.secretName }}"
                 key: clientSecret
           {{ end }}
+          {{ if .Values.app.metrics.enabled }}
+          - name: METRICS_CUSTOMER_IO_TOKEN
+            valueFrom:
+              secretKeyRef:
+                name: "{{ .Values.app.metrics.secretName }}"
+                key: customerIoSecret
+          {{ end }}
           ports:
             - name: http
               containerPort: {{ .Values.service.port }}

.github/helm/affine/charts/graphql/templates/metrics-secret.yaml

@@ -0,0 +1,9 @@
+{{- if .Values.app.metrics.enable -}}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: "{{ .Values.app.metrics.secretName }}"
+type: Opaque
+data:
+  customerIoSecret: {{ .Values.app.metrics.customerIo.token | b64enc }}
+{{- end }}