core/templates/layout/input.html.tpl

{{define "input"}}
<div class="form-group">
  <label class="control-label" for="{{.options.id}}">{{.options.label}}</label>
  <input type="{{.options.type}}"
         name="{{.options.name}}"
         class="form-control"
         id="{{.options.id}}"
         placeholder="{{.options.placeholder}}" {{if .update}} value="{{.value}}" {{end}} {{.options.required}}>
</div>
{{end}}