I the Serverless framework and have been able to successfully redeploy functions from AWS to GCP (all node, this was in 2018) with only a few changes to the Provider section off serverless.yml. We are adopting Kubernetes now and I'm feeling out the landscape, so I'm planning on trying the same thing with Kubeless. AFAIK it should be pretty seemless- I'm more worried about Ingress working properly than Kubeless not being able to run my code.
FaaS has an important role to play: we often prototype things with Zapier, then redeploy them as FaaS functions when we need to scale them or process any PII. I can't imagine trying to make a full app with them with the current state of the dev/testing workflow, but for internal systems, integration, and stream processing they are pretty tough to beat.
FaaS has an important role to play: we often prototype things with Zapier, then redeploy them as FaaS functions when we need to scale them or process any PII. I can't imagine trying to make a full app with them with the current state of the dev/testing workflow, but for internal systems, integration, and stream processing they are pretty tough to beat.