Google Container Registry vs Quay.io: What are the differences?

Introduction: In this markdown code, we will discuss the key differences between Google Container Registry and Quay.io.

1. Ownership and Provider: Google Container Registry is provided by Google Cloud Platform, while Quay.io is a product of Red Hat, which offers support for private and public repositories with flexibility in deployment options.

2. Pricing Structure: Google Container Registry has a pay-as-you-go pricing model based on storage and data egress, whereas Quay.io offers a tiered pricing structure based on the number of users and storage capacity, which includes a free tier for open-source projects.

3. Integration with Third-Party Tools: Google Container Registry integrates seamlessly with Google Cloud services like Kubernetes Engine, Cloud Build, and Cloud Run, while Quay.io provides integrations with various platforms such as Jenkins, GitHub, and Bitbucket.

4. Authentication and Security Features: Google Container Registry uses Google Cloud IAM for access control and provides VPC Service Controls for additional security, while Quay.io offers features like Webhooks, Robot Accounts, and Single Sign-On for authentication and security.

5. Region Availability: Google Container Registry is available in multiple regions worldwide, allowing users to choose the location closest to their deployment, whereas Quay.io offers global availability but limits the storage location to the United States only.

6. Customization and Extensibility: Quay.io allows users to customize and extend functionalities through plugins and custom scripts, providing more flexibility in workflows, while Google Container Registry offers a more streamlined approach with limited customization options.

In Summary, Google Container Registry and Quay.io differ in ownership, pricing, integrations, security features, region availability, and customization capabilities when it comes to container image storage and management.