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The Kubelist Podcast

Heavybit

Exploring the Kubernetes ecosystem in-depth with CNCF project leads and contributors.

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20 episodes
every few months
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English

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July 31 · 1 hr 14 min
Ep. #54, The Age of Personalized Software with David Crawshaw
In episode 54 of The Kubelist Podcast, Marc and Benjie sit down with David Crawshaw. David shares how a weekend WireGuard experiment became Tailscale, and how a series of unsuccessful developer-tool experiments eventually became exe.dev. The conversation offers a candid look at product discovery, technical failure, cloud economics, and building infrastructure for AI agents. The post appeared first on Heavybit.
June 9 · 59 min
Ep. #53, Render and the New Cloud Stack with Anurag Goel
On episode 53 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Anurag Goel. Anurag shares his journey from early employee at Stripe to founder and CEO of Render, one of the fastest-growing application platforms in cloud infrastructure. They discuss Kubernetes, platform engineering, bare metal, AI agents, and what the future of application deployment looks like. The post appeared first on Heavybit.
May 29 · 1 hr 4 min
Ep. #52, Beyond the Hyperscalers with Hugo Santos of Namespace
On episode 52 of The Kubelist Podcast, Marc Campbell and Benjie De Groot speak with Hugo Santos. They discuss the evolution of Namespace Labs, why traditional cloud infrastructure isn't always optimized for developer workflows, and what it takes to build a vertically integrated platform for builds, testing, and developer productivity. Hugo also shares lessons learned from nearly a decade at Google and years of startup building. The post appeared first on Heavybit.
May 15 · 1 hr
Ep. #51, CI Is the New Bottleneck with Kyle Galbraith
On episode 51 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Kyle Galbraith. Kyle shares the story behind Depot and explains how the company evolved from accelerating Docker builds into building an entirely new CI platform designed for the AI era. The conversation explores BuildKit internals, remote caching, microVMs, AWS infrastructure, and why modern software development may require rethinking CI from the ground up. The post appeared first on Heavybit.
April 14 · 1 hr
Ep. #50, Building Sandboxes for AI Agents with Ivan Burazin
On episode 50 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Ivan Burazin to explore the rise of sandbox environments for AI agents, how Daytona enables instant, stateful compute, and why traditional infrastructure models fall short. Ivan also shares lessons from building early cloud IDEs and finding product-market fit in the AI era. The post appeared first on Heavybit.
March 3 · 58 min
Ep. #49, From Containers to Unikernels with Felipe Huici of Unikraft
On episode 49 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Felipe Huici to explore how unikernels are reshaping modern cloud infrastructure. They discuss virtualization, containers, and how Unikraft enables millisecond startup times and massive workload density. The conversation dives deep into performance engineering, Kubernetes integration, and the infrastructure challenges emerging in the AI era. The post appeared first on Heavybit.
Dec 23, 2025 · 1 hr 4 min
Ep. #48, Unpacking Software Supply Chain Security with Justin Cappos
On episode 48 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Justin Cappos, professor at NYU and a pioneer in software supply chain security. They explore the origins of modern package manager security, the real-world limits of SBOMs, and why systems should be designed assuming compromise. The conversation spans CNCF governance, in-toto, TUF, Git security, and the emerging role of AI in securing software. The post appeared first on Heavybit.
Jun 20, 2025 · 1 hr 17 min
Ep. #47, SecureBuild with Grant Miller of Replicated
In episode 47 of The Kubelist Podcast, Marc and Benjie sit down with Grant Miller, Founder and CEO of Replicated. This talk chronicles the triumphs and tribulations of Replicated and the many entrepreneurial lessons learned along the way. Grant and Marc also unveil SecureBuild, a new offering for open source projects. Lastly they share their firsthand experiences using AI-assisted coding tools and how they’re revolutionizing productivity. The post appeared first on Heavybit.
Mar 5, 2025 · 53 min
Ep. #46, Kubefirst with John Dietz of Konstruct
In episode 46 of The Kubelist Podcast, Marc and Benjie chat with John Dietz, CEO of Konstruct, about Kubefirst, an open source platform that streamlines Kubernetes adoption. John shares the journey of building Kubefirst, overcoming Kubernetes complexity, and the challenges of commercializing open source software. The post appeared first on Heavybit.
Jan 14, 2025 · 50 min
Ep. #45, Live from KubeCon 2024
In this special episode of The Kubelist Podcast, recorded live at KubeCon 2024 in Salt Lake City, hosts Marc Campbell and Benjie De Groot bring you seven engaging interviews with developers and contributors from the Kubernetes ecosystem. From CNCF projects like Testkube, Logging Operator, and Kubeflow to innovative tools like Buildpacks, Kairos, Krkn, and Scarf, this episode dives into the latest updates and insights. The post appeared first on Heavybit.
Nov 27, 2024 · 1 hr 5 min
Ep. #44, Service Mesh Evolution with Idit Levine of Solo
In episode 44 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Idit Levine, Founder and CEO of Solo.io, to explore the evolving world of service mesh technology. Idit shares her unconventional journey into tech, the founding of Solo, and innovations like Ambient Mesh that simplify Kubernetes networking. Dive into the challenges of microservices, open source collaboration, and the future of AI in networking. The post appeared first on Heavybit.
Sep 25, 2024 · 45 min
Ep. #43, SpinKube with Kate Goldenring of Fermyon
In episode 43 of The Kubelist Podcast, Kate Goldenring shares her journey from Microsoft, where she contributed to Kubernetes edge computing and the development of Akri, to joining Fermyon to work on serverless WebAssembly. She dives deep into the technical details of Spin and SpinKube, Fermyon's open-source tools for running serverless WebAssembly applications on Kubernetes. The conversation explores the potential of WebAssembly for building efficient, event-driven applications, and discusses how this technology can lead to more sustainable cloud solutions. The post appeared first on Heavybit.
Jul 31, 2024 · 43 min
Ep. #42, Zarf with Wayne Starr of Defense Unicorns
In episode 42 of The Kubelist Podcast, Marc Campbell and Benjie De Groot sit down with Wayne Starr from Defense Unicorns to explore Zarf, an open-source tool for continuous software delivery in air-gapped environments. Wayne shares insights into how Zarf is transforming software deployment for the Department of Defense and beyond. They also explore other fascinating tools like Lula, Pepr, and LeapFrogAI. The post appeared first on Heavybit.
Apr 24, 2024 · 1 hr 6 min
Ep. #41, vCluster with Lukas Gentele of Loft Labs
In episode 41 of The Kubelist Podcast, Marc and Benjie speak with Lukas Gentele of Loft Labs about vCluster. Together they dive deep on how vCluster works and some of the new use cases that the project enables when running on larger, more mature enterprises. This technical discussion explores the problems Lucas and his team set out to solve when they created vCluster. The post appeared first on Heavybit.
Jan 17, 2024 · 1 hr 17 min
Ep. #40, The Open Source Secret Agent with Dave McAllister of NGINX
In episode 40 of The Kubelist Podcast, Marc and Benjie speak with open source pioneer Dave McAllister. Dave shares stories and lessons from his 40-year career in tech including working for DEC, NASA, Adobe, Red Hat, Splunk, and NGINX. Additionally, they discuss Linux’s rise to popularity in the early days of open source, SGI’s contribution to modern cinematic effects, predictions around AI, and the overlap of open source and LLMs. The post appeared first on Heavybit.
Dec 13, 2023 · 1 hr 4 min
Ep. #39, Live From KubeCon 2023
In episode 39 of The Kubelist Podcast, Marc and Benjie recount their experience at KubeCon 2023 and share interviews from the event with guests like Matt Butcher and Radu Matei of Fermyon, Umair Khan of Stacklet, Anna Reale of Keptn, Solomon Hykes of Dagger, Bailey Hayes of wasmCloud, and many more. The post appeared first on Heavybit.
Nov 15, 2023 · 55 min
Ep. #38, Exploring K0s with Jussi Nummelin of Mirantis
In episode 38 of The Kubelist Podcast, Marc and Benjie speak with Jussi Nummelin of Mirantis. This talk explores the accessibility and consistency of utilizing a Kubernetes distribution with zero dependencies. Other topics explored include the K0s project from Mirantis, the evolution of container management, and the advantages of control plane isolation. The post appeared first on Heavybit.
Jun 28, 2023 · 35 min
Ep. #37, Dagger with Solomon Hykes
In episode 37 of The Kubelist Podcast, Marc and Benjie speak with Solomon Hykes about his new project, Dagger. This talk explores CI/CD in depth and examines the difficulties teams face when implementing it. Finally, Solomon looks back on the lessons he learned while building Docker and how they ultimately influenced the creation and trajectory of Dagger. The post appeared first on Heavybit.
Jun 7, 2023 · 52 min
Ep. #36, The Docker Story with Solomon Hykes
In episode 36 of The Kubelist Podcast, Benjie and Marc speak with Solomon Hykes, founder of both Docker and Dagger. This conversation explores the early days of containers and the origins of Docker, including the many hurdles Docker overcame early on, its unexpected virality, and its continued prevalence among the developer community. The post appeared first on Heavybit.
Feb 8, 2023 · 1 hr 16 min
Ep. #35, The Open Source Journey with Tom Preston-Werner
In episode 35 of The Kubelist Podcast, Marc and Benjie are joined by Tom Preston-Werner. Tom shares insights gleaned from his open source journey including the founding of GitHub and his many side projects along the way. This talk explores themes on entrepreneurship, scaling, semantic versioning, dogfooding, and community building. The post appeared first on Heavybit.

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