Cover art for podcast DevOps and Docker Talk: Cloud Native Interviews and Tooling

DevOps and Docker Talk: Cloud Native Interviews and Tooling

149 EpisodesProduced by Bret FisherWebsite

Interviews from Bret Fisher's live show. Topics cover container and cloud topics like Docker, Kubernetes, Swarm, Cloud Native development, DevOps, SRE, GitOps, DevSecOps, platform engineering, and the full software lifecycle. Full show notes and more info available at

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Registry is getting an upgrade: Inside OCI artifacts

December 8th, 2023


The OCI specifications for registry and image are getting a minor version number update to 1.1 soon, and this could be a big deal for anyone storing …

KubeCon Live with Friends 2023

November 23rd, 2023


Bret is joined by Nirmal and a host of friends from the floor of KubeCon, to talk about the latest news and goings-on.

We wanted to get some of our friends and people we haven't seen in a while that are making great …

Moving Domain Registrars, Again

November 17th, 2023


In this short episode, I tell the tale of my registrar DNS name hosting for the last 25 years and what I prefer for a cheap and reliable name …

Multipass Local Virtual Machines

November 10th, 2023


Bret and Nirmal are joined by Chris Townsend, the engineering manager for Canonical's Multipass team, to discuss how to use Multipass as the easiest …

DockerCon 2023 New Features and Tools!

November 3rd, 2023


After returning from DockerCon earlier this month (Oct 2023), Bret recorded this podcast where he breaks down all the product announcements and details from the event. We hope you enjoy it and share it with your friends …

NetBackup for Kubernetes

October 27th, 2023


Bret is joined by Demetrius Malbrough and Joseph D'angelo from Veritas, the company that makes NetBackup amongst many other data protection tools.

AWS Lambda Containers

October 20th, 2023


Bret and Nirmal are joined by Ken Collins, AWS Serverless Hero and Principal Engineer at Custom Ink to discuss all things Lambda and to dig into the …

Ephemeral & Preview Environments for Compose and Kubernetes

October 6th, 2023


Bret and Nirmal are joined by Grayson Adkins and Josh Thurman on the show. They are co-founders of Uffizzi, an environments-as-a-service company for Docker Compose and Kubernetes.

We talk about ephemeral environments in …

Codefresh and Argo CD with Dan Garfield

September 22nd, 2023


Bret is joined by Dan Garfield of CodeFresh to talk about growth of GitOps as a standard, growth of Argo, and more.

Dan is the Co-founder and Chief Open Source Officer of Codefresh, a CI/CD platform powered by GitOps and …

OpenSauced with Brian Douglas

September 8th, 2023


In this episode, Bret and Nirmal talk with Brian Douglas of OpenSauced.

Brian Douglas, of GitHub fame, has founded OpenSauced, a cool web app and …

Istio Ambient Mesh and

August 25th, 2023


Bret and Nirmal welcome Idit Levine, Founder/CEO Idit focuses on Service Mesh, API-GW and Multi-Cloud networking, and security.

Idit has been …

Future of Kubernetes with Brendan Burns

August 11th, 2023


Bret and Matt welcome special guest Brendan Burns, CVP Azure Cloud Native & Resource Management, and also a founding member of the Kubernetes project.

Because Brendan is one of the three original co-founders of the …

Kasten K10 Kubernetes Backups

July 28th, 2023


Bret and Matt welcome Michael Cade, the field CTO at Kasten by Veeam.

If you've been around servers for a while, you probably have heard of Veeam. It made its debut back in the late 2000's when virtual machines and … LowOps container platform

July 14th, 2023


Bret and Matt welcome Jake Warner back to the show to talk about LowOps. What does LowOps mean? What can Cycle offer us as an alternative to Swarm and Kubernetes?

Jake Warner is the CEO and founder of And I had …

AWS containers with Corey Quinn

June 30th, 2023


Bret and Matt are joined by Corey Quinn to talk about AWS and containers.

Corey Quinn is the Chief Cloud Economist at the Duckbill Group. You may have seen or heard some of his in-depth AWS content, including his Last …

Podman In Action: Desktop, Machine, and more

June 16th, 2023


Bret and Matt are joined by Brent Baude and Dan Walsh from Red Hat to talk about the latest with Podman, Quadlet, Podman Desktop and Podman machine, and how it all works with Kubernetes.

Dan Walsh, a Senior Distinguished …

Falco Logs Suspicious Events on Your K8s and Servers

June 2nd, 2023


Bret and his co-host, Matt, are joined by Jason Dellaluce and Luca Guerra from Sysdig to talk about Falco, a tool I recommend for production clusters …

DevPod for Dev Containers

May 26th, 2023


Bret is joined by Lukas Gentele and Rich Burroughs from Loft Labs to look at a new project called DevPod, that supports dev containers and VMs. It works with local Docker instances and AWS, GCP, Azure, and several other …

Docker 2023 New Stuff

May 19th, 2023


Bret and Matt are joined by two engineers in Docker's leadership - Chief Technology Officer Justin Cormack and Senior Manager of Developer Relations …

Contribute to Kubernetes

May 5th, 2023


Bret and Matt are joined by Chad Crowell of KubeSkills to walk through how you can contribute to Kubernetes open source.

Chad started the community and podcast to focus on learning Kubernetes by doing and …

Windows WSL and Containers in 2023

April 14th, 2023


Bret is joined by fellow Docker Captain Nuno do Carmo to talk about desktop container solutions and the best Docker setup for Windows 11.

Nuno's a …

Calico Networking for Kubernetes and More

March 31st, 2023


Bret is joined by Project Calico's Tomas Hruby from Tigera to dig into Calico CNI features for Kubernetes and beyond.

Calico can be used in a lot of places, including Linux, Windows, containers, bare metal, eBPF or …

Faster Docker Builds with Depot

March 17th, 2023


Bret is joined by Kyle Galbraith and Jacob Gillespie, co-founders of Depot, to discuss their new solution to slow Docker builds.

If you've never dug …

Better K8s Prometheus Alerts with Robusta

March 4th, 2023


Bret is joined by Natan Yellin, the co-founder of to talk Kubernetes and Prometheus monitoring, alerting, and maybe some CPU limit ranting.

Robusta tries to fill the gap left by Kubernetes' own AlertManager …

NGINX on Kubernetes, All The Details

February 17th, 2023


Bret is joined by two pros from the NGINX team, Robert Haynes and Brian Ehlert to break down the various use cases of NGINX on Kubernetes, and help you decide when and where you'll be using it.

There's a lot going on …

Easy Kubernetes Auth and RBAC with Infra

February 3rd, 2023


Bret is joined by Matt Williams of Infra to show off their open source project Infra, which provides easy, centralized RBAC and auth to Kubernetes and more.

Infra is a new company taking on simplifying centralized …

Trivy and Tracee, Aqua Security Tools

January 20th, 2023


Bret is joined by Anaïs Urlichs of Aqua Security to talk container and Kubernetes security tools like trivy, kube-bench, tracee, and kube-hunter. …

Software Supply Chain Security with Chainguard

January 6th, 2023


Bret is joined by two Chainguard co-founders, CEO Dan Lorenc and Head of Product, Kim Lewandowski, to break down the ins and outs of supply chain security and talk about Chainguard's approach to securing it. We dive …

Best of DevOps 2022

December 23rd, 2022


Bret is joined by Nirmal Mehta of AWS and engineering consultant Laura Tacho, for the annual Best of DevOps.

We've started this trend of going …

Docker: What's New from 2022

December 16th, 2022


Bret is joined by Michael Irwin, Sr. Manager for DevRel at Docker, to review and demo our top 2022 new features and announcements from Docker Inc. We run through the very long list in this episode and sadly, had to skip …

Key DevOps Skills for Improving Your Expertise

December 9th, 2022


Bret is joined by Brian Christner, a Docker Captain and Chief, Online Gaming for Grand Casino Baden (, who returns to the show to discuss his top recommended skills for improving your DevOps expertise.

Both …

HashiCorp Vault for Kubernetes

November 25th, 2022


Bret is joined by Rosemary Wang from HashiCorp to show off Vault for Kubernetes, an an open source secrets provider.

Rosemary is a return guest and …

Service Mesh in Docker Desktop with Meshery

November 11th, 2022


Bret is joined by Lee Calcote and Nic Jackson, co-authors of the Service Mesh Patterns book, to discuss service mesh for Docker Desktop and Compose apps with the new Meshery extension for Docker desktop.

They talk about …

Cilium and eBPF with Liz Rice

October 28th, 2022


Bret is joined by Liz Rice, Chief Open Source Officer at Isovalent, the makers of Cilium, to discuss Cilium and eBPF.

Liz Rice is back to give us more insight into eBPF and the Cilium project. Isovalent is the company …

Kubescape Kubernetes Security with ARMO

October 21st, 2022


Bret is joined by Shauli Rozen, CEO and Co-Founder of ARMO, creators of Kubescape. Kubescape is a K8s open-source tool providing a multi-cloud K8s …

Slim and Secure Container Images with

October 14th, 2022


Bret is joined by Martin Wimpress and Pieter van Noordennen from to discuss some ways to slim down your Docker images and reduce the attack surface of your containers in the process.

Many companies and projects …

Carvel Tools for Kubernetes

October 7th, 2022


Bret is joined by Dmitriy Kalinin and John Ryan, software engineers at VMWare, to show off the many Carvel project tools.

Carvel provides a set of …

Securing Containers, First Steps in Docker and Kubernetes

September 23rd, 2022


Bret goes through his top recommendations for securing container images, Docker containers and Kubernetes pods.

This is a tip-packed show where Bret lists much of what's documented in his courses, starting with the first …

Managing Enterprise Kubernetes with Replicated

September 9th, 2022


Bret is joined by Marc Campbell of Replicated to discuss the challenges of deploying your software on other people's Kubernetes.

Following a …

Docker Extensions: Using and Building Them

August 26th, 2022


Bret is joined by Guillaume Tardif and Felipe Cruz of Docker Inc. for a deep dive into Docker extensions.

Docker Extensions are a favorite new feature. Guillaume and Felipe are both engineers at Docker and they walk us …

Kubernetes Autoscaling with Karpenter

August 12th, 2022


Bret is joined by Nirmal Mehta, a Principal Specialist Solution Architect at AWS, and a Docker Captain, to discuss Karpenter, an autoscaling solution …

Beyond DevOps DORA Metrics

July 29th, 2022


Bret is joined by Laura Tacho, an engineering leadership coach, to discuss measuring your team's performance with DevOps metrics (DORA) and the new SPACE framework. Team Performance is one of Bret's favorite topics, and …

Argo CD Past & Future, with the Creators

July 15th, 2022


Bret is joined by the co-creators of the Argo project and co-founders of Akuity - Hong Wang and Jesse Suen - to discuss the state of Argo and their new Akuity offering for Argo CD in the Cloud.

Chances are, you've heard …

Infrastructure as Code, Patterns and Practices

July 1st, 2022


Bret is joined by Rosemary Wang, a developer advocate at Hashi Corp. She recently finished a Manning book, titled Infrastructure as Code: Patterns and Practices. They discuss how infrastructure as code fits into DevOps …

Applications-as-Code with Shipa

June 17th, 2022


Bret is joined by Ravi Lachhman, Field CTO at Shipa, to discuss the basics of Shipa application and policy management, and show off the developer …

Nomad Orchestration

June 3rd, 2022


Bret is joined by Erik Veld, Manager, Developer Advocacy at HashiCorp, the creators of Nomad. Nomad is an orchestrator like Kubernetes and Swarm but it has a unique set of features that make it an interesting …

GitOps with Pulumi

May 20th, 2022


Bret is joined by David Flanagan, aka Rawkode Academy, from Pulumi to show off how Pulumi infrastructure-as-code can improve GitOps pipelines. Our …

Docker Desktop for Linux is Here!

May 6th, 2022


Bret is joined by Anca Iordache and Dave Scott, software engineers at Docker Inc, to talk about why they made Docker Desktop for Linux and how it's different from running the Docker Engine daemon. Streamed live on …

Kubernetes VCluster for "Clusters in Namespaces"

April 22nd, 2022


Bret is joined by Lukas Gentele and Rich Burroughs of Loft Labs to talk about vcluster, a Kubernetes distribution that can run inside an existing cluster namespace, aka "clusters in clusters." Lukas is the CEO of Loft …

Enterprise Kubernetes Barriers

April 8th, 2022


Bret and his guests - Jamie Duncan and John Osborne, authors of "OpenShift in Action" - talk about Enterprise Kubernetes adoption, the barriers teams …

Kubernetes Policy Management with Kyverno and Nirmata

March 25th, 2022


Jim Bugwadia joins Bret to discuss Kubernetes policy management and "intelligent guardrails for K8s." Jim is the CEO and co-founder of Nirmata. He's …

Container Management with Portainer

March 11th, 2022


In this episode, Bret is joined by Portainer's co-founder and CEO, Neil Cresswell, to get an update on their product. If you haven't heard of Portainer, it's one of the original web apps to manage Docker, then swarm and …

Docker Desktop Alternatives

February 28th, 2022


Bret explores and reviews tools that "might" replace Docker Desktop for those who decide not to pay for the subscription. He goes through the pros …

Catch IaC Drift with Firefly

February 18th, 2022


Bret is joined by Eran Bibi, a co-founder and CPO of Firefly to discuss Cloud and Kubernetes drift, and dealing with unmanaged resources and policy …

Containers as a Service with

February 11th, 2022


In this episode, Jake Warner, founder of Cycle joins Bret to discuss and demo, a Kubernetes alternative to run your containers and reduce your DevOps complexity. In the background, it uses your cloud of choice, …

Testcontainers: Using Code to Control Docker for Testing

February 4th, 2022


Control your testing in containers with your code! Bret's guest, Sergei Egorov, walks us through and AtomicJar for using API's to …

Honeycomb for Observability and Telemetry

January 28th, 2022


Liz Fong-Jones from joins Bret in this episode to discuss and demo their platform and Kubernetes Observability. Streamed live on YouTube on December 2, 2021.

Unedited live recording of this show on YouTube …

Everything Arm and Containers with Alex Ellis

January 21st, 2022


Bret talks with Alex Ellis, Founder of OpenFaaS, about all things "containers on arm." They cover Apple's M1 arm processor, Raspberry Pi arm images, Docker Desktop and arm, Kubernetes clustering, Alex's new Netbooting …

DevOps Automation with Crossplane

January 14th, 2022


Friend and fellow Docker Captain, Viktor Farcic, joins Bret to talk about all things DevOps Automation and Crossplane. Streamed live on YouTube Oct …

Gateway API

January 7th, 2022


The topic is the new Gateway API and Kubernetes Ingress. Bret met with Mark Church, Product Manager of GKE Networking at Google. They talked in detail and took questions from the YouTube chat. Streamed live on YouTube …

GitOps and Automating Container Deployments

December 31st, 2021


Automating container deployments with GitOps is the topic of this podcast with Bret's guest, Nirmal Mehta. At the time of the show (March 2021), Nirmal was a Distinguished Engineer and Director at Booz Allen Hamilton. …

Best of DevOps from 2021

December 24th, 2021


Docker Captain and Engineering Consultant Laura Tacho joins Bret and they go through all their favorite topics and tech things of 2021. Streamed live …

Container Registry and Image Management with Regclient

December 17th, 2021


Bret talks with Stack Overflow legend and Docker Captain, Brandon Mitchell. They talk about (and demo) “regclient” his new project for managing registries remotely via API, and all that’s happened over the last year …

Kubernetes Troubleshooting with Komodor

December 10th, 2021


Bret is joined by Komodor CTO and co-founder Itiel Shwartz to talk about Kubernetes troubleshooting and using their new app to highlight changes and alerts in your clusters. Check out the unedited video version on …

Docker Compose v2 Rocks

December 3rd, 2021


Docker announced Compose v2 at DockerCon 2021. Bret goes through all the new stuff you didn't know about. If you're a fan of composing (his fav …

Kubernetes Schema Validation with Datree

November 26th, 2021


The topic is automating your K8s YAML validation. Bret’s guest is Eyar Zilberman, co-founder of Datree and they go through various tools and their …

Arm, Apple M1, and Docker in 2021

November 19th, 2021


Apple's move to Arm processors will change software development for everyone... or will it?
Apple has moved towards an Arm processor. They don't call it Arm, they call it Apple Silicon, or M1 but underneath that, the …

Lint Everything with Super-Linter

November 12th, 2021


Bret talks about linting with Super-Linter and also GitHub Action's new Reusable Workflows beta! Streamed live on YouTube Sep 30, 2021, Ep 141.

MicroK8s Kubernetes High Availability

November 5th, 2021


Alex Chalkias of the Canonical MicroK8s project joins Bret and they dive into this easy and powerful Kubernetes distribution that had some major …

Teleport for Remote Kubernetes

October 29th, 2021


My guest is Ben Arent, Developer Relations Engineer at Teleport. Teleport allows engineers and security professionals to unify access for SSH servers, Kubernetes clusters, web applications, and databases across all …

Containerd with Phil Estes

October 15th, 2021


Phil Estes from AWS joins Bret to talk about containerd/state of the project, Docker Desktop alternatives and how developers are using containerd, …

Cyber Security and Pentesting with Zaid Sabih of zSecurity

October 8th, 2021


Zaid Sabih, the founder of zSecurity, talks with Bret about cyber security, pentesting, ethical hacking, and career choices. There's even some fun conversation about the hacking from The Matrix and Mr. Robot. Streamed …

Rancher Labs and Kubernetes with Darren Shepherd

October 1st, 2021


Darren Shepherd, co-founder of Rancher Labs, joins Bret to talk about Rancher's latest projects and all things Kubernetes. They covered so many topics like k3s, RKE2, Rio, Swarm, Fleet, OPA, Kyverno, etcd, k3OS, …

GitOps and Argo CD with Viktor Farcic

September 24th, 2021


Docker Captain Viktor Farcic of talks about GitOps automation and workflows using the Argo project tools. Streamed live on …

Windows 11 WSL2 Past & Future with Nuno do Carmo

September 17th, 2021


I'm joined by fellow Docker Captain Nuno do Carmo to talk about WSL2 for Windows 10 and Windows 11. Nuno's a Docker Captain, CNCF Ambassador, and Microsoft MVP. Streamed on YouTube on August 12, 2021.

Unedited live …

Docker's New Licensing Changes

September 9th, 2021


Docker Desktop changes to Paid plans for medium to large businesses! I dig into the facts and help you understand what's changed for you (if …

Kubernetes Octant for Dev Insights with Wayne Witzel

September 3rd, 2021


I'm joined by Wayne Witzel, a Software Engineer at VMware leading the Octant project for Kubernetes, a web GUI to help developers gain insight into …

How to Backup Kubernetes using Velero Open Source with guest Nolan Brubaker

August 27th, 2021


I'm joined by Nolan Brubaker of VMWare to talk about Velero, an open-source backup and migration tool for Kubernetes. Streamed on YouTube on April …

DevOps, SRE, and Traefik talk with Docker Captain Brian Christner

August 20th, 2021


My guest is Brian Christner, fellow Docker Captain, and we talked about all things DevOps, some SRE, and Traefik. Streamed on YouTube on April 15, …

GitHub CoPilot for DevOps? with Nirmal Mehta

August 12th, 2021


I was given early access to GitHub Copilot and used it intensely for a week in my DevOps tasks before this show. Docker Captain, Nirmal Mehta, joins …

Contour + Envoy for Kubernetes Ingress and K8s Operators

September 16th, 2020


I'm joined by Steve Sloka of VMWare. We're talking about a set of Kubernetes Operators that Steve maintains including Contour (Envoy ingress) and …

Logging and Monitoring with Justin Quinn of

July 29th, 2020


I talk with Justin Quinn of about their hosted ELK solution, and we go through features, how customers use it, and what they've added beyond …

Docker's Future: AWS and Azure Beta's

July 12th, 2020


This is a special episode just for the podcast, where I detail the direction shift of docker's new features and how they are using the Docker CLI to …

containerd: The Most Popular Container Runtime, with Phil Estes

July 2nd, 2020


I'm joined by Phil Estes of IBM, Distinguished Engineer & CTO for Container and Linux Architecture Strategy at IBM Cloud. He's a maintainer on the containerd CNCF project, and we're talking about containerd, which …

Learning Kubernetes Ingress with Nirmal Mehta

June 16th, 2020


I chat with Docker Captain Nirmal Mehta of Booz Allen Hamilton about Kubernetes Ingress controllers and resources. There seems to be a lot of …

Container and Kubernetes Security with Liz Rice of Aqua Security

May 21st, 2020


I joined in a live Q&A with Liz Rice of Aqua Security talking about the state of container security and tools to help you understand and protect …

Serverless, FaaS, and Kubernetes Tools with Alex Ellis of OpenFaaS

April 24th, 2020


I have a live Q&A with Alex Ellis as we break down FaaS, Serverless, and how these technologies work with Docker and Kubernetes including his …

Remote DevOps Tools for Teams with Kevin Griffin

April 7th, 2020


My friend Kevin Griffin and I talk about the tools we use often for working in development and operations teams remotely.

  ★For Humans ★

Container Profiling and Testing with Gianluca Arbezzano

March 31st, 2020


I sit down with Gianluca Arbezzano, a Docker Captain and Site Reliability Engineer at InfluxData. We talk about open source projects for monitoring and observability in containers and Kubernetes.

Gianluca on Twitter

Docker Swarm 2020 with Docker Captain Brandon Mitchell

March 24th, 2020


Brandon and I go through the last year of Swarm (SwarmKit) and what's happened so far in 2020 and talk about their future commitment to the built-in Docker orchestrator.

Docker Birthday Live on March 26th
DockerCon LIVE

Docker Birthday, Roadmap, and Certification Updates

March 17th, 2020


In this short episode, I cover some Docker upcoming events and announcements.

Serverless Docker and Kubernetes in 2020

February 13th, 2020


I answer some audience questions about serverless, and the future of containers... when a lot of the news out there is talking about functions as a service as "the future of everything".  As usual, the answer is "it …

Traefik Proxy 2.0: Containous Live from KubeCon

January 6th, 2020


In this episode, I sit down with Gerald Croes of Containous from KubeCon. We talk about the release of Traefik 2.0, and other projects like their new …

Chat With WeaveWorks about GitOps

December 30th, 2019


Happy New Year container fans! In this episode, I talk with Brice Fernandes of WeaveWorks to discuss their latest Kubernetes and Docker projects. We also talk about GitOps, which is my favorite way to set up application …

The People Side of DevOps With Laura Tacho

December 16th, 2019


In this episode, I traveled to Vienna, Austria, and hung out with my friend Laura Tacho, and we talked about the human side of DevOps. We challenged …

Kubernetes Future with Kelsey Hightower and Jérôme Petazzoni

December 9th, 2019


In this episode, I chat with a powerhouse combo of Kelsey Hightower and Jérôme Petazzoni, who's combined influence in the container space can not be overstated. I was a bit nervous for this one, having such big stars on …

Everything Docker and Windows

December 2nd, 2019


In this episode, I talk with Elton Stoneman, an Architect at Docker. We talk about Everything Docker and Windows, covering topics like WSL, Windows containers, Docker on Windows Server, and more.

And as a reminder, this …

Kubernetes GitOps with Jenkins X

November 18th, 2019


In this 50th episode, I sit down with two people from Cloudbees, Viktor Farcic, and Oscar Medina. We talk about CI/CD in Kubernetes and the GitOps-style of continuous deployment using Jenkins X.

And as a reminder, this …

Docker Inc Splits: Live Panel on the Future of Docker

November 15th, 2019


In this special episode, just a day after Docker announces they've split the company and sold their Enterprise products, I sit down with fellow …

Docker and Kubernetes Questions on Tools, Best Practices, and More

November 11th, 2019


In this episode, I talk about proxying with NGINX vs. Traefik, and the proper protocol for image tagging in a CI environment. I give a quick …

Swarm Networking and Logging Solutions

November 4th, 2019


In this episode, I answer a few questions about Swarm networking, Traefik as your proxy using Consul to store its configuration, and then I go into …

Rancher, Kubernetes, and Beyond with Darren Shepherd

October 28th, 2019


In this episode, I have a great chat with Darren Shepherd, who is the Co-founder and Chief Architect at Rancher Labs. You probably know them for making, well, Rancher. We also talk about k3s, k3OS, RancherOS, RIO and …

Docker Swarm vs. Kubernetes, from Berlin

October 22nd, 2019


In this episode from my YouTube Live show, I talk more about Swarm and Kubernetes for Container Orchestration, and how I believe you should learn …

K8s Setup, GitOps, and more!

October 14th, 2019


In this episode, I answer some student questions about Kubernetes setup, DNS round robin, some new docker plugins, and what GitOps is.

Show Links★

Kubernetes Architecture

September 30th, 2019


In this episode, I give a brief rundown of Kubernetes architecture, and how the raft consensus algorithm plays a major role in server communication …

Sysadmins Assemble! Doing Sysadmin Tasks in Docker

September 16th, 2019


In this episode, we're celebrating the annual Sysadmin Day by covering system administration topics with containers. We'll go over health checks, …

AWS ECS and Container Migrations with Chris Hickman

September 9th, 2019


In this episode, I talk with Chris Hickman about using containers since the early days of docker, using AWS ECS as your orchestrator, and more...

DevOps Real Talk With Authors of Docker In Action

September 2nd, 2019


In this episode, I talk with the authors of the book Docker In Action, 2nd Edition. We have a great chat on real-world craziness in running software and challenges with containers. It was a lot of fun, and I've put …

Development Tools in Containers with Docker Captain Antonis Kalipetis

August 26th, 2019


In this episode, I talk with Docker Captain Antonis Kalipetis about various development in docker topics.

 ★Show Links ★

Can You Learn Linux inside Docker?

August 19th, 2019


In this episode, I discuss learning Linux with John Kennedy, who helps organize the Northern Virginia Linux Users Group, and how we might learn Linux …

What is Service Mesh and When You Might Need It, with Betty Junod of

August 12th, 2019


In this episode, I talk with Betty Junod of about Containers, Kubernetes, and Service Mesh.

Show Links★

Startup Order With Multi-Container Apps

August 5th, 2019


In this episode, I answer a question about controlling container startup orders in a multi-container app.

 ★Show Links ★

You can also …

Learning DevOps With Ray The Intern

July 29th, 2019


In this episode, I chat with Ray Vittum, our DevOps intern, about his experience while moving from a traditional sysadmin role to a DevOps one.

 ★Show …

Can I Turn a VM into a Container?

July 22nd, 2019


In this episode, I answer a question about if it's possible to migrate or containerize, a VM into a container.

Show Links★

How to Run Privileged Containers in Swarm

July 15th, 2019


In this episode, I answer a question about how to start a Swarm service container in privileged mode.

Show Links★

How to Use External Storage in Docker

July 8th, 2019


In this episode, I answer a question about how to use external volume storage with docker and swarm.

You can also support my free material by …

Troubleshooting Docker Swarm Networking and DNS

July 1st, 2019


In this episode, I answer a question about how to troubleshoot docker swarm networking and docker DNS.

Show Links★

ENTRYPOINT vs. CMD, what's the difference in Dockerfiles

June 24th, 2019


In this episode, I discuss the differences between the docker file commands of ENTRYPOINT and CMD, and how to use them together for automating …

Docker and Swarm RBAC Options

June 11th, 2019


In this episode, I answer a question about how to control admin access to docker and swarm using roll based authentication.

 ★Show Links ★

Learning Kubernetes with Jérôme Petazzoni

June 1st, 2019


In this episode, I talk with Kubernetes, Docker, and Swarm instructor Jérôme Petazzoni about how to learn and use Kubernetes, and we answer a bunch …

Live from DockerCon with the Docker Captains

May 25th, 2019


In this episode, I'm live from the show floor at DockerCon with Nirmal Mehta and Nils De Moor as we cover the announcements, our favorite sessions, and take your questions on everything from Kubernetes, K3s, Proxy's, …

Pre DockerCon with Nirmal Mehta and Michael Irwin

May 17th, 2019


In this episode, I have guests Nirmal Mehta, a Chief Technologist at Booz Allen Hamilton, and Michael Irwin, an Application Architect at Virginia …

Pre DockerCon with Phil Estes, Scott Coulton, and Sujay Pillai

April 30th, 2019


In this episode, I am joined by Phil Estes of IBM, Scott Coulton of Microsoft, and Sujay Pillai. We're all working in the DevOps space and discuss …

Pre DockerCon with Laura Tacho and Marcos Lilljedahl

April 21st, 2019


In this episode, I chat with Laura Tacho from CloudBees and Marcos Lilljedahl from iúnigo, both Docker Captains and developers. We take questions from the live audience and discuss topics ranging from the difference …

Multiple Docker Images From One Git Repo

April 15th, 2019


I answer a question about how to build multiple Docker images from a single GitHub repository. I talk about how to change which Dockerfile Docker …

TLS in Dev and Prod with Docker

April 10th, 2019


I answer a question about using TLS/SSL certificates in local development with Docker for microservices and then how to use those certs in production …

Java and JBoss in Containers. One .war File Per Container?

March 28th, 2019


Docker Captain Michael Irwin and I discuss Java .war files in containers, and how you should break them up. We answer a question on how to design …

Backing Up a Database Container in Swarm

March 22nd, 2019


Docker Captain Michael Irwin and I discuss backups of databases in a container cluster like Docker Swarm.

Show Links★

You can also …

Swarm Volume Storage Drivers

March 18th, 2019


Docker Captain Michael Irwin and I go over various storage options for persistent volumes in Swarm, and how you need to think about storage for …

Learning The New Docker App with Michael Irwin

March 13th, 2019


In March of 2019, I talked with Michael about the new "docker-app" experimental tool. This clip talks about why it exists, and how to use it. In …

Docker Bind-mount and Volume File Changes During Entrypoint

March 10th, 2019


In this episode, I list the steps to copy or sync files between a docker volume and the host

 ★Show Links ★

Docker Swarm Install in AWS

March 8th, 2019


In this episode, I quickly list the steps to set up a Docker Swarm in AWS using docker-machine and shell scripts

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Docker Environment Configs, Variables, and Entrypoints

March 6th, 2019


I go through the multiple ways to get your environment variables into a container, and what shouldn't go into your ENV's.

 ★Show Links★

Use Docker Compose or Swarm For A Single Server?

February 22nd, 2019


In this episode, I give a quick answer to the discussion on a single production server. Should you use docker-compose or Docker Swarm?

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Auto Setup of Mongo Replicas in Docker

February 22nd, 2019


In this episode, I give a quick answer on how you might design MongoDB and other database servers for auto-clustering inside Docker.

 ★Show Notes★

Using Supervisor To Run Multiple Apps In A Container

February 21st, 2019


In this episode, I answer a question on when you should run multiple apps in a container, and how you can use a supervisor to do that.

 ★Show Notes★

Should You Move Postgres to Containers

February 20th, 2019


In this episode, I answer the question: should you migrate your postgres servers into containers.

 ★Show Links★

Docker "runC" Security Vulnerability: CVE-2018-5736

February 19th, 2019


In this episode, I talk about the recent Docker runc vulnerability and what you need to do about it.

 ★Show Correction★

Correction from the audio, …

Updating A Proxy From A Different Container

February 18th, 2019


In this episode, I answer a question about how to control docker and other containers like a nginx proxy from inside a separate container.

 ★Show …

Windows 10 Containers Get Process Isolation

February 7th, 2019


In Docker 18.09.1 and Docker Desktop (stable) in January 2019, we now have a new option for running Windows Containers on Windows 10 in …

Getting Started With Raspberry Pi Development in Docker

February 7th, 2019


A viewer asks how they can prototype their software in Docker with a Raspberry Pi. I explain the various parts of the workflow including ARM 64 vs. …

Elasticsearch Local Development Shows Yellow Health Status

February 7th, 2019


A viewer asks why their Elasticsearch server on their local development setup with Docker Compose would give them a yellow health status. I talk …

Docker Network IP Subnet Conflicts with Outside Networks

February 7th, 2019


A viewer asks about how their local docker container IP's, if behind NAT, can have issues with outside subnets at their company. I explain some of …

Docker Swarm Service Fails Deployment When Image Prunes

February 7th, 2019


Someone asks about image pruning while a Swarm service is in the middle of a deployment, and how they've experienced failed containers. I reply with the details of what's going on in specific steps of a Service creation …

Updating Swarm Configs and Secrets Without Downtime

January 31st, 2019


I answer questions about updating your app secrets and configs in Docker Swarm without downtime

Links to things mentioned★

Apache In Containers And Multiple Virtual Host Websites

January 31st, 2019


I answer questions about designing Apache web servers for multiple Websites in containers

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Container Non-root Users, SUDO, GOSU, and File Permissions

January 31st, 2019


I answer a question about using sudo in containers and file permissions when using non-root users.

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Alpine Linux As A Base Image, Is It Really Secure?

January 31st, 2019


Alpine Linux container images are often regarded as the "best for production, security, and image size", but I debate this based on several trends …

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