Thank you for installing {{ .Chart.Name }}.

Your release is named {{ .Release.Name }}.

Your can use tracker should look like:
  {{ template "fastdfs-nginx.fullname" . }}-tracker-0.{{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.tracker.containerPort }}
  {{ template "fastdfs-nginx.fullname" . }}-tracker-1.{{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.tracker.containerPort }}

You can also use the service {{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.tracker.containerPort }} to connect to an available tracker server.

Your can access tracker nginx should look like:
  {{ template "fastdfs-nginx.fullname" . }}-tracker-0.{{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.trackernginx.containerPort }}
  {{ template "fastdfs-nginx.fullname" . }}-tracker-1.{{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.trackernginx.containerPort }}

You can also use the service {{ template "fastdfs-nginx.fullname" . }}-tracker-headless:{{ .Values.trackerPorts.trackernginx.containerPort }} to connect to an available tracker nginx server.