Everything you need to know to deploy an application using aDocker image on Koyeb.
Koyeb natively allows you to run your own, pre-built container images. With containers, you can embed all the system dependencies you need.
Deploying a containerized app on Koyeb only takes a minute, in this guide we will explain how-to:
Koyeb provides the notion of Apps, which contain all the components needed to run your applications, including the ability to run one or more Docker-based Services per App. You can read more about Koyeb Apps in the Apps Overview documentation.
When you deploy a Service on Koyeb, you have a few customizable settings. All settings can be transparently upgraded after the initial creation. Let's explore our options.
The first step is to enter the full URL to the Docker image you want to use. We recommend using a unique tag to simplify upgrades and deployment traceability.
If needed, you can easily override the default command and arguments of your Docker image.
To deploy a Docker image from a public registry, simply reference the Docker
image with the complete path to it, including the domain. If your registry is hosted on
registry.domain.tld, the value will look like
You can give it a try with the Koyeb Demo App and deploy the
latest version of the
koyeb/demo image from the docker hub
To connect to your private registry, the Koyeb platform needs to be able to access the registry and you will need to create a secret with the login information for your registry. We provide an easy-to-use form in the app and service creation views to automatically create a secret with the right format. If you need to use a provider not listed in these views or need to create the secret manually, check our Private Container Registry Secrets documentation.
To dive deeper, read about the Services Options.
Once your Service is deployed, you are redirected to the service page and can access your application:
You will see all the individual instances, their regions, and their status depending on your configuration. Instances might be detected as unhealthy due to a configuration issue.
If your deployment is failing, check the logs panel and refer to our troubleshooting deployments guide.