Building an Enterprise-ready Lambda Experience (with Hands-On Demo)
summary
Built an internal, enterprise-ready Lambda-style service for BBVA that layers an API-backed UX over OpenShift/Kubernetes and an existing App Engine stack, reusing certified libraries and policies. It uses a custom control plane plus a caller manager to wake and route requests, a Java-first runtime with an init container to inject artifacts, and an internal JSON-RPC protocol to invoke functions. Cold starts vary: initial deploys can take minutes (image pulls), cached starts drop below a second but typical warm spin-ups ran 30–40s with 10–20% CPU. Code is on GitHub.
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