+- `latest`: latest branch
+- `master`: master branch
+- `stable`: stable branch
+
+The `latest` and `master` images rely on:
+
+- [Alpine Linux](https://www.alpinelinux.org/)
+- [PHP7-FPM](http://php-fpm.org/)
+- [Nginx](http://nginx.org/)
+
+The `stable` image relies on: