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Heroku Container Registry & Runtime

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description Heroku Container Registry & Runtime Overview

Heroku's Container Registry stores Docker images, while the Container Runtime executes those images as isolated applications within the platform’s infrastructure, enabling deployment of custom containerized solutions.

help Heroku Container Registry & Runtime FAQ

What is the Heroku Container Registry?

The Heroku Container Registry is a service provided by Heroku that allows developers to store Docker images directly within the platform's infrastructure. It functions similarly to Docker Hub but is specifically optimized for Heroku deployments.

What does the Heroku Container Runtime do?

The Container Runtime is the Heroku feature that takes your Docker images from the registry and executes them as isolated applications on Heroku's dynos. This allows developers to run custom containerized software without managing the underlying servers.

Can I deploy a Docker image to Heroku?

Yes, by using the Container Registry and Runtime, developers can push their pre-built Docker images directly to Heroku using the command line. This is especially useful for applications that have complex dependencies not easily handled by standard Heroku buildpacks.

Does Heroku still support Docker containers?

Yes, Heroku continues to support Docker deployments through the Container Registry, allowing developers to utilize custom containerized solutions on the platform. It remains a core option for teams looking to integrate their existing Docker workflows into Heroku's managed environment.

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