Cloud Foundry was going to create an open source alternative to Heroku, as well as replace how Enterprise companies built software. But change is never easy. Looking back, what can we learn from the lessons of Cloud Foundry?

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HOW DID CLOUD FOUNDRY EVOLVE?

An open source, programmable cloud application platform (PaaS). Heroku (2007), Google AppEngine (2008) existed before Cloud Foundry (April 2011). OpenShift launched in May 2011. Apcera was launched in 2012 by Derek Collison

Open Source, Multi-cloud
Multiple languages, frameworks
Automation for the infrastructure (BOSH)
Integrated Logging, Tracing, Routing, GUI
Data Services live off the platform, via Service Broker
Very heavy platform footprint (up to 50 VMs)
Diego container scheduler
Warden container runtime

Many large vendors got involved once it became a foundation.

IBM, SAP, Intel, Cisco, EMC/VMware
Many end-user customers joined (great for recruiting)
None of the Cloud providers, other than an infrastructure stem-cell

By 2016-17, most large Cloud Foundry vendors were shifting their focus to Kubernetes

LESSONS LEARNED FOR THE FUTURE

Single-vendor led communities are difficult, especially if a foundation is created.
Technology transitions are hard, oftentimes impossible. Cloud Foundry chose to downplay Docker and Kubernetes as “just for infrastructure”, even within their own community.
Make it simple to get environments/clusters (Managed Kubernetes services, Cluster API, laptop-level environments (minikube). Needs to be a managed cloud service on good clouds.
Platform-aware, Infrastructure automation is important (e.g. like BOSH, except that it works)
Industry is mixed on if stateful / data services should run on-platform or off-platform. Having to also manage the off-platform is difficult.

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Lessons Learned from Cloud Foundry