kapitansen

.container-fluid {
  background: #ccc;
}

.container {
  position: relative;
  overflow-x: visible;
  background: #ccc;
}

img {
  position: absolute;
  right: 0;
}


<div class="container-fluid">
  <div class="container">
    <div class="col-lg-7 hidden-md hidden-sm hidden-xs">
      <img src="https://www.mirf.ru/wp-content/uploads/2017/05/nwVtQ2E2YBI.jpg" alt="">
    </div>
    <div class="col-lg-5 col-md-12">
      Some content....
    </div>
  </div>
</div>

<div class="container">
	<div class="row">
		<div class="col-md-4">sidebar</div>
		<div class="col-md-8">content</div>
	</div>
</div>