composer.json

{
    "name": "docker/drupal7",
    "description": "Project template for Drupal 7 projects with composer",
    "type": "project",
    "license": "GPL-2.0-or-later",
    "authors": [{
        "name": "",
        "role": ""
    }],
    "repositories": [{
        "type": "composer",
        "url": "https://packages.drupal.org/7"
    }],
    "require": {
      "php": ">=5.2.5",
      "ext-curl": "*",
      "ext-gd": "*",
      "ext-json": "*",
      "ext-openssl": "*",
      "ext-pdo": "*",
      "ext-pdo_mysql": "*",
      "ext-xml": "*",
      "composer/installers": "^1.2",
      "composer/semver": "^1.4",
      "cweagans/composer-patches": "^1.6",
      "drupal-composer/preserve-paths": "^0.1",
      "drupal/composer_autoloader": "^1.0",
      "drupal/drupal": "~7.0",
      "drush/drush": "~8.0",
      "symfony/filesystem": "~2.7|^3",
      "webflo/drupal-finder": "^1.0.0"
    },
    "require-dev": {
    },
    "conflict": {
        "drupal/core": "8.*"
    },
    "config": {
      "vendor-dir": "vendor"
    },
    "minimum-stability": "dev",
    "prefer-stable": true,
    "config": {
        "sort-packages": true
    },
    "autoload": {
        "classmap": [
            "drupal/scripts/composer/ScriptHandler.php"
        ]
    },
    "scripts": {
      "pre-install-cmd": [
          "DrupalProject\\composer\\ScriptHandler::checkComposerVersion"
      ],
      "pre-update-cmd": [
          "DrupalProject\\composer\\ScriptHandler::checkComposerVersion"
      ],
      "post-install-cmd": [
          "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
      ],
      "post-update-cmd": [
          "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
      ],
      "post-create-project-cmd": [
          "DrupalProject\\composer\\ScriptHandler::removeInternalFiles"
      ]
    },
    "extra": {
        "installer-paths": {
            "docroot/": ["type:drupal-core"],
            "docroot/profiles/{$name}": ["type:drupal-profile"],
            "docroot/sites/all/drush/{$name}": ["type:drupal-drush"],
            "docroot/sites/all/libraries/{$name}": ["type:drupal-library"],
            "docroot/sites/all/modules/contrib/{$name}": ["type:drupal-module"],
            "docroot/sites/all/themes/contrib/{$name}": ["type:drupal-theme"]
        },
        "patches": {
            "cweagans/composer-patches": {
                "Call the preserve paths hooks" : "https://github.com/SebCorbin/composer-patches/commit/1cb9bacba51f8bba0c5f3f322c3bb61e4ceae974.patch"
            }
        },
        "preserve-paths": [
          "docroot/sites/all/drush",
          "docroot/sites/all/libraries",
          "docroot/sites/all/modules/contrib",
          "docroot/sites/all/modules/custom",
          "docroot/sites/all/modules/features",
          "docroot/sites/all/themes/contrib",
          "docroot/sites/all/themes/custom",
          "web/sites/all/translations",
          "docroot/sites/default"
        ]
    }
}