<?php
// Programmatically create node with image fields.
use Drupal\file\Entity\File;
use Drupal\node\Entity\Node;

$file = File::create([
  'uid' => 1,
  'uri' => 'public://page/logo.png',
  'status' => 1,
]);
$file->save();

$node = Node::create([
  'type' => 'article',
  'langcode' => 'en',
  'created' => REQUEST_TIME,
  'changed' => REQUEST_TIME,
  'uid' => 1,
  'title' => 'My title',
  'field_tags' =>[2],
  'body' => [
    'summary' => '',
    'value' => 'My node!',
    'format' => 'full_html',
  ],
  'field_images' => [
    [
      'target_id' => $file->id(),
      'alt' => "My 'alt'",
      'title' => "My 'title'",
    ],
  ],
]);
$node->save();
\Drupal::service('path.alias_storage')->save('/node/' . $node->id(), '/my-path', 'en');