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Mauricio Salatino
Serverless Platforms on
Kubernetes
DevBcn / KCD Spain 2024
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diagrid.io
salaboy.com @Salaboy
• Software Engineer and CNCF
Ambassador.
• Author of “Platform
Engineering on Kubernetes”
(Manning).
• @DaprDev @KnativeProject
@KeptnProject
Mauricio Salatino
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Openfunction
@salaboy
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Openfunction recap
https://openfunction.dev
• Great initiative, great abstractions, but
• Does it work for you?
• Does it provides the right abstraction for you?
• Are the right tools? (GitHub Actions, GitOps)
• Do you need to learn about all the tools used in the background to use the
platform?
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Demo
@salaboy
https://diagrid.ws/vote-kcd-spain
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Demo Architecture
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Knative Serving
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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Knative
https://knative.dev
• From Container to URL
• Simpli
fi
ed interface (Knative Service)
• Autoscaling simpli
fi
ed and Tra
ffi
c Splitting
• But.. what about:
• Application concerns such as observability, resiliency and access to
infrastructure?
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Dapr - Distributed Application Runtime
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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But if you can do that.. you can also do this
@salaboy
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But if you can do that.. you can also do this
@salaboy
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How does it works?
@salaboy
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How does it works?
@salaboy
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Dapr recap
https://dapr.io
• Application concerns via APIs for developers to use
• Separate infrastructure from application code, supporting di
ff
erent providers
• Help platform teams to provide uni
fi
ed APIs across environments
• But what about provisioning and con
fi
guring infrastructure across
environments?
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Crossplane
https://crossplane.io
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So far we had…
@salaboy
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But who creates these environments?
@salaboy
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Compositions
@salaboy
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Crossplane recap
https://crossplane.io
• Manage cloud resources declaratively as Kubernetes resources
• Compose higher-level abstractions to simplify usage and cover domain-
speci
fi
c scenarios
• Distribute and share abstractions across teams
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If you are in this journey…
Learn about the companies behind these projects
• Knative Serving
• Is being shipped as part of Red Hat Openshift and VMware Tanzu
• Google Cloud Run expose the Knative Serving interface
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If you are in this journey…
Learn about the companies behind these projects
• Dapr
• Run as a managed service on Azure Container Apps, this means that you
have the Dapr APIs available for your containers
• Diagrid o
ff
ers two products
• Diagrid’s Conductor to manage and operate Dapr at scale on your
Kubernetes clusters
• Diagrid’s Catalyst managed service that you can use from any Cloud
Provider, including your on-prem setups.
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If you are in this journey…
Learn about the companies behind these projects
• Crossplane
• Upbound runs a managed platform, so you don’t need to install and
manage Crossplane
• Upbound Cloud can be run on your compute, so you have full control on
your Crossplane instances
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Sum up
• Building Platforms is hard
• Focus on having the right abstractions
• Prioritise enabling teams to do their work
• Don’t do it alone! Talk to other companies
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Thanks
@Salaboy