Initial code

.editorconfig

+# Drupal editor configuration normalization
+# @see http://editorconfig.org/
+
+# This is the top-most .editorconfig file; do not search in parent directories.
+root = true
+
+# All files.
+[*]
+end_of_line = LF
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{composer.json,composer.lock}]
+indent_size = 4

.gitignore

+vendor
+composer.lock

README.md

+# Behat for Drupal
+
+This is a composer plugin which prepares your local development environment for Docker using the framework from [Docker4Drupal](https://github.com/wodby/docker4drupal) by [Wodby](https://wodby.com).
+
+## Requirements
+
+tbd
+
+## Links
+
+For more details we recommend the following links:
+
+- Behat Documentation
+  - [Homepage](http://behat.org/en/latest/index.html)
+  - [Quick Start](http://behat.org/en/latest/quick_start.html)
+  - [Docs](http://docs.behat.org/en/latest)
+  - [Drupal Extension](https://behat-drupal-extension.readthedocs.io/en/3.1/index.html)
+  - [Gherkin](https://github.com/Behat/Gherkin)
+  - [Mink](http://mink.behat.org/en/latest/index.html)
+- Others
+  - [Blog for Docker and Selenium](https://stefanoalletti.wordpress.com/2018/07/02/symfony-docker-behat-browserstack-testing-your-app-like-a-boss)
+  - [Official Selenium Docker Image](https://github.com/SeleniumHQ/docker-selenium)
+  - [Used Selenium Docker Image](https://github.com/elgalu/docker-selenium)

composer.json

+{
+    "name": "lakedrops/behat4drupal",
+    "description": "Composer Plugin to prepare Drupal project for Behat tests.",
+    "type": "composer-plugin",
+    "keywords": ["Drupal", "Development", "Docker", "Behat"],
+    "homepage": "https://gitlab.lakedrops.com/composer/plugin/behat4drupal",
+    "license": "GPL-2.0-or-later",
+    "authors": [
+        {
+            "name": "Jürgen Haas",
+            "email": "juergen@paragon-es.de",
+            "homepage": "https://www.paragon-es.de",
+            "role": "Drupal Expert"
+        },
+        {
+            "name": "Richard Papp",
+            "email": "richard.papp@boromino.com",
+            "homepage": "http://www.boromino.com",
+            "role": "Drupal Expert"
+        }
+    ],
+    "support": {
+        "issues": "https://gitlab.lakedrops.com/composer/plugin/behat4drupal/issues",
+        "source": "https://gitlab.lakedrops.com/composer/plugin/behat4drupal/tree/master"
+    },
+    "require": {
+        "php": ">=5.6",
+        "composer-plugin-api": "^1.0.0",
+        "lakedrops/composer-scripts": "^1.0.0",
+        "lakedrops/dotenv": "^1.0.0",
+        "twig/twig": "^1.23.1"
+    },
+    "require-dev": {
+        "composer/composer": "^1.5.0",
+        "phpunit/phpunit": "^4.8.0"
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "autoload": {
+        "psr-4": {
+            "LakeDrops\\Behat4Drupal\\": "src/"
+        }
+    },
+    "extra": {
+        "class": "LakeDrops\\Behat4Drupal\\Plugin",
+        "lakedrops": {
+            "scripts": {
+                "b4d": {
+                    "callback": "LakeDrops\\Behat4Drupal\\Plugin::config",
+                    "description": "(Re-)Configure Behat for this project."
+                }
+            }
+        }
+    }
+}