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Amit Merchant

Amit Merchant

A blog on PHP, JavaScript, and more

Using private repositories as a composer package in PHP

Composer is the goto method of adding dependencies in modern PHP application. You search for a library for a concerned functionality and you’ll probably find the one in the large database of the Pacakgist. But there comes a time where you’d want to use a library which is private and should be only available to you. Well, the good news is, you can achieve this using this trick.

This can be accomplished by specifying repositories you can get packages from elsewhere. This includes private repositories as well. For you to use a private repo as a composer pacakge, you need to declare the required repository in the repositories field in the composer.json of your project. Here’s a sample of how you can achieve this.

    "require": {
        "php": ">=7.0",
        "myname/mylibname": "dev"
                "version": "dev",
                    "url":"[email protected]:myname/mylibname.git",

As shown above, By default composer will look up the packagist repository. If you define a different one in the json file this local one ("[email protected]:myname/mylibname.git") will be searched first before falling back to the public repo.

Now, run composer update and check the vendor folder. The dependency should have been installed in project and ready to use.

Note: Since, we are using private repositories here, the package will get installed only if you’re using the SSH connection. This means that either you must have setup the SSH key on the client or if you are like me and cant setup keys because of deployment server, you will have to use basic auth.

You can achieve basic auth by adding vcs provider’s credentials in ~/.composer/auth.json

    "http-basic": {
        "": {
            "username": "bitbucket-username",
            "password": "password"
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