php-composer-quickstart

Last updated on Jan 6, 2026

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Prerequisites

• Ensure you have the PHP Composer CLI (composer) and Harness CLI installed on your local machine.
• Access to a Harness account with appropriate permissions to create registries and connectors.

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Create a PHP Composer Artifact Registry

Interactive Guide

Step-by-Step

1. Navigate to the Artifact Registry module in your Harness project.
2. Click on New Artifact Registry.
3. In the Registry Type dropdown, select PHP Composer Registry.
4. Provide a Registry Name.
   • Your registry name must start with a letter and can include lowercase alphanumerics, _, . and -.
5. Optionally, add a Description and Labels for better organization.
6. Choose visibility between Public and Private. By default, the visibility is set to Private.
7. Click Create Registry to finalize.

private registry

This registry will serve as your private PHP Composer registry within Harness.

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Configure an Upstream Proxy (Optional)

An upstream proxy allows your registry to fetch PHP Composer packages from external sources if they are not available locally.

Interactive Guide

Create an upstream proxy

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Configure the upstream proxy in your registry

Step-by-Step

Create an upstream proxy

1. In the Artifact Registry module, click the dropdown next to New Artifact Registry and select Upstream Proxy.
2. Choose PHP Composer Registry as the proxy type.
3. Click Create Proxy to establish the connection.

Configure the upstream proxy in your registry

1. In the Artifact Registry module, select an existing PHP Composer Artifact Registry.
2. Select the Configuration tab.
3. Under Advanced (Optional), select Configure Upstream.
4. Select from the list of compatible proxies to add them to your registry.
5. Click Save to save the configuration.

upstream proxy caching

If a PHP Composer package isn’t found in your Harness registry, the upstream proxy fetches it from an external registry like Packagist, reducing duplication and improving package resolution.

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Publish & Install PHP Composer packages

Configure Authentication

Step 1: Generate an identity token for authentication

1. In your Harness PHP Composer Artifact Registry, click Setup Client.
2. Click Generate Token to generate an identity token.

Step 2: Configure Composer to use the token for authentication

composer config --global --auth http-basic.pkg.harness.io token <TOKEN>

Publish Package

Step 1: Create a Composer archive from your project

composer archive --format=zip

Step 2: Upload the Composer package to the Harness registry using Harness CLI

hc artifact push composer <REGISTRY_NAME> <FILE_PATH> --pkg-url pkg.harness.io

Install Package

Step 1: Add the private registry to your project's composer.json

"repositories": [
  {
    "type": "composer",
    "url": "https://pkg.harness.io/pkg/<HARNESS_ACCOUNT_ID>/<PHP_COMPOSER_REGISTRY_NAME>/composer"
  }
]

Step 2: Install a package using Composer

composer require <ARTIFACT_NAME>:<VERSION>