root@2872fd8f055d:/var/www# composer require barryvdh/laravel-debugbar --dev
    1/11:   http://packagist.org/p/provider-archived$da81b98b1823ca630030893e309f6d263ece07a59112250890f316b985149250.json
    2/11:   http://packagist.org/p/provider-2013$a42e7d4b994d1ddac7c2209007e29b9ccdfdb269ebd6e0261cb90a2ef978c2df.json
    3/11:   http://packagist.org/p/provider-2018-04$2e8d1feb9eae3d6ff292aadff8a105e1eb2b70d55cb1186a56255f2c61ea86fd.json
    4/11:   http://packagist.org/p/provider-2014$d74db2c6fa12740b7396e9f32414c58528267cfb0f150e80d1751718d7a0cb10.json
    5/11:   http://packagist.org/p/provider-2018-10$b756e9f8c0d9eeb5fba328271ce093f0f8964bf10efddb1f4a2ab34e5e5f9689.json
    6/11:   http://packagist.org/p/provider-2015$e0511028ac3c4fce06b6363a1e77315c6b9345b4cd399298be52af0cad177f30.json
    7/11:   http://packagist.org/p/provider-2018-07$bfcc5af55a948e807617906df74385eae98012d2100f5004c853a0ada7f242af.json
    8/11:   http://packagist.org/p/provider-2018-01$07144f57ec4326c05a81a334fc483a7f91c17bd8bf60c223435e0088d9b2f650.json
    9/11:   http://packagist.org/p/provider-2017$f7f0a4794292158bacef8f3b34f91435aa671e992219222ee792236eaa021a1e.json
    10/11:  http://packagist.org/p/provider-2016$d41140644b265dc28d5f5bff91f380d31402b54083b5977f7da268221ef7014d.json
    Finished: success: 10, skipped: 0, failure: 1, total: 11
Do not run Composer as root/super user! See https://getcomposer.org/root for details
Using version ^3.2 for barryvdh/laravel-debugbar
./composer.json has been updated
    1/1:    http://packagist.org/p/provider-latest$ca9a5d4b52283456a647ac99293003ba5c2cb5dae58c0d842ea60d69a34a74c8.json
    Finished: success: 1, skipped: 0, failure: 0, total: 1
Loading composer repositories with package information
Updating dependencies (including require-dev)
    1/2:    https://codeload.github.com/barryvdh/laravel-debugbar/legacy.zip/5b68f3972083a7eeec0d6f161962fcda71a127c0
    2/2:    https://codeload.github.com/maximebf/php-debugbar/legacy.zip/30e7d60937ee5f1320975ca9bc7bcdd44d500f07
    Finished: success: 2, skipped: 0, failure: 0, total: 2
Package operations: 2 installs, 0 updates, 0 removals
  - Installing maximebf/debugbar (v1.15.0): Loading from cache
  - Installing barryvdh/laravel-debugbar (v3.2.0): Loading from cache
maximebf/debugbar suggests installing kriswallsmith/assetic (The best way to manage assets)
maximebf/debugbar suggests installing predis/predis (Redis storage)
Writing lock file
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover
Discovered Package: barryvdh/laravel-debugbar
Discovered Package: beyondcode/laravel-dump-server
Discovered Package: bnbwebexpertise/laravel-bootstrap-form
Discovered Package: cviebrock/eloquent-taggable
Discovered Package: fideloper/proxy
Discovered Package: infyomlabs/adminlte-templates
Discovered Package: infyomlabs/laravel-generator
Discovered Package: intervention/image
Discovered Package: kalnoy/nestedset
Discovered Package: laracasts/flash
Discovered Package: laravel/tinker
Discovered Package: laravelcollective/html
Discovered Package: laravelista/comments
Discovered Package: nesbot/carbon
Discovered Package: nunomaduro/collision
Discovered Package: prettus/l5-repository
Discovered Package: rinvex/laravel-categories
Discovered Package: spatie/laravel-medialibrary
Discovered Package: spatie/laravel-schemaless-attributes
Discovered Package: spatie/laravel-translatable
Package manifest generated successfully.
root@2872fd8f055d:/var/www#