Example composer.json for WordPress

composer.json

{
  "repositories": [
    {
      "type": "composer",
      "url": "http://wpackagist.org"
    },
    {
      "type": "package",
      "package": {
        "name": "advanced-custom-fields/advanced-custom-fields-pro",
        "version": "5.2.6",
        "type": "wordpress-plugin",
        "dist": {
          "type": "zip",
          "url": "http://connect.advancedcustomfields.com/index.php?p=pro&a=download&k=<your ACF key>"
        }
      }
    }, {
      "type": "vcs",
      "url": "https://github.com/pelmered/post-types-creator"
    },
  ],
  "require": {
    "php": ">=5.4",
    "johnpbloch/wordpress": "*",
    "wpackagist-plugin/duplicate-post": "*",
    "wpackagist-plugin/enable-media-replace": "*",
    "wpackagist-plugin/wordpress-seo": "*",
    "wpackagist-plugin/angry-creative-logger": "*",
    "wpackagist-plugin/ewww-image-optimizer": "*",
    "wpackagist-plugin/ricg-responsive-images": "*",
    "wpackagist-plugin/black-studio-tinymce-widget": "*",
    "advanced-custom-fields/advanced-custom-fields-pro": "*",
    "pelmered/post-types-creator": "dev-master",
    "rarst/fragment-cache": "^1.2",
    "rarst/update-blocker": "^1.0"
  },
  "require-dev": {
    "wpackagist-plugin/debug-bar": "*",
    "wpackagist-plugin/debug-bar-transients": "*",
    "wpackagist-plugin/force-regenerate-thumbnails": "*"
  },
  "extra": {
    "wordpress-install-dir": "wordpress",
    "installer-paths": {
      "public/wp-content/mu-plugins/{$name}/": ["type:wordpress-muplugin", "rarst/update-blocker", "angrycreative/ac-disable-wp-updates"],
      "public/wp-content/plugins/{$name}/": ["type:wordpress-plugin"],
      "public/wp-content/themes/{$name}/": ["type:wordpress-theme"]
    }
  }
}