Private composer package

composer.json

// main app
"repositories" : [
  {
      "type": "package",
      "package": {
          "name": "grininc/platform-shared",
          "version": "dev-master",
          "source": {
              "url": "git://github.com/grininc/platform-shared.git",
              "type": "git",
              "reference": "master"
          },
          "autoload": {
              "psr-4" : {
                  "Grin\\Shared\\" : "src"
              }
          }
      }
  }
],
"require": {
  "grininc/platform-shared": "dev-master"
},
"config": {
    "preferred-install": "dist",
    "secure-http": false,
    "github-oauth": {
        "github.com": "GITHUB_TOKEN"
    }
}

// package
{
    "name": "grininc/platform-shared",
    "type": "package",
    "authors": [],
    "require": {
        "laravel/framework": "5.5.*"
    },
    "autoload": {
        "psr-4": {
            "Grin\\Shared\\": "src/",
            "Tests\\": "tests/"
        }
    }
}