Configure GitLab

...
gitlab_rails['lfs_enabled'] = true
gitlab_rails['lfs_object_store_enabled'] = true
gitlab_rails['lfs_object_store_proxy_download'] = true
gitlab_rails['lfs_object_store_remote_directory'] = "lfs"
gitlab_rails['lfs_object_store_connection'] = {
   'provider' => 'AWS',
   'aws_access_key_id' => 'KEY123',
   'aws_secret_access_key' => 'PASS1234',
   'endpoint' => 'https://s3.example.com',
}

gitlab-ctl reconfigure

Install (on client)

apt-get install -y git git-lfs

# create LFS testfile
head -c 1M /dev/urandom > file2.bin

Add LFS file to repository

git lfs install
git lfs track *.bin
# git lfs track "*.bin"
# git lfs track images/
git add .gitattributes *.bin
git commit -m "Commit LFS file"
git push

Fix me
LFS file download / checkout broken

Debug

git lfs ls-files
git lfs env

Links
https://about.gitlab.com/2017/01/30/getting-started-with-git-lfs-tutorial/
http://blog.testdouble.com/posts/2017-01-25-how-and-why-to-use-git-lfs