Phong is a Production Engineer at Meta, bridging Meta’s production stack with public cloud and the wider cloud-native world. He ships platforms for everything from standard services to GPU workloads, then grabs the pager when things catch fire. And yes - when the smoke clears, he’s yapping about what worked so you don’t repeat the pain.

Presentations

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Containers All the Way Down: What we learned running containers-in-containers @ Meta for AI & More

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Over the past few years, OCI containers and Kubernetes have become the backbone of Meta’s open-source cloud infrastructure. This talk explores the complexities of safely running containers inside containers (“nested containers”) without root privileges. It demystifies OCI container internals, highlights the latest open-source advancements enabling rootless deployments, and addresses the unique challenges posed by nested environments. Through production case studies, it shares lessons for secure, efficient container-in-container deployments.

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