portainer/app/docker/components/imageRegistry/porImageRegistry.html

<div class="form-group">
  <div class="col-sm-12">
    <label for="use_registry" class="control-label text-left">
      Use registry
    </label>
    <label class="switch" style="margin-left: 20px;">
      <input type="checkbox" ng-model="$ctrl.model.UseRegistry"><i></i>
    </label>
  </div>
</div>
<!-- use registry -->
<div ng-if="$ctrl.model.UseRegistry">
  <div class="form-group">
    <label for="image_name" ng-class="$ctrl.labelClass" class="control-label text-left">Image</label>
    <div ng-class="$ctrl.inputClass">
      <div class="input-group">
        <span class="input-group-addon" id="registry-name">{{$ctrl.model.Registry.URL}}</span>
        <input type="text" class="form-control" aria-describedby="registry-name" uib-typeahead="image for image in $ctrl.availableImages | filter:$viewValue | limitTo:5"
        ng-model="$ctrl.model.Image" name="image_name" placeholder="e.g. myImage:myTag" required>
      </div>
    </div>
    <label for="image_registry" class="margin-sm-top control-label text-right" ng-class="$ctrl.labelClass">
      Registry
    </label>
    <div ng-class="$ctrl.inputClass" class="margin-sm-top">
      <select ng-options="registry as registry.Name for registry in $ctrl.availableRegistries" ng-model="$ctrl.model.Registry" id="image_registry"
        class="form-control"></select>
    </div>
  </div>
</div>
<!-- ! use registry -->
<!-- don't use registry -->
<div ng-if="!$ctrl.model.UseRegistry">
  <div class="form-group">
    <label for="image_name" ng-class="$ctrl.labelClass" class="control-label text-left">Image
      <portainer-tooltip position="bottom" message="Image and repository should be publicly available."></portainer-tooltip>
    </label>
    <div ng-class="$ctrl.inputClass">
      <input type="text" class="form-control" ng-model="$ctrl.model.Image" name="image_name" placeholder="e.g. registry:port/myImage:myTag" required>
    </div>
  </div>
</div>
<!-- ! don't use registry -->
<!-- info message -->
<div class="form-group" ng-show="$ctrl.form.image_name.$invalid">
  <div class="col-sm-12 small text-warning">
    <div ng-messages="$ctrl.form.image_name.$error">
      <p ng-message="required"><i class="fa fa-exclamation-triangle" aria-hidden="true"></i> Image name is required.</p>
    </div>
  </div>
</div>
<!-- ! info message -->