Exploring Single Music’s Cloud Native Journey with Kevin Crawley

Exploring Single Music’s Cloud Native Journey with Kevin Crawley

The conversation covers:


  • Why Kevin helped launch Single Music, where he currently provides SRE and architect duties.
  • Single Music’s technical evolution from Docker Swarm to Kubernetes, and the key reasons that drove Kevin and his team to make the leap.
  • What’s changed at Single Music since migrating to Kubernetes, and how Kubernetes is opening new doors for the company — increasing stability, and making life easier for developers.
  • How Kubernetes allows Single Music to grow and pivot when needed, and introduce new features and products without spending a large amount of time on backend configurations.
  • How the COVID-19 pandemic has impacted music sales.
  • Single Music’s new plugin system, which empowers their users to create their own middleware.
  • Kevin’s current project, which is a series of how-to manuals and guides for users of Kubernetes.
  • Some common misconceptions about Kubernetes.


Links

Emily: Hi everyone. I’m Emily Omier, your host, and my day job is helping companies position themselves in the cloud-native ecosystem so that their product’s value is obvious to end-users. I started this podcast because organizations embark on the cloud naive journey for business reasons, but in general, the industry doesn’t talk about them. Instead, we talk a lot about technical reasons. I’m hoping that with this podcast, we focus more on the business goals and business motivations that lead organizations to adopt cloud-native and Kubernetes. I hope you’ll join me.



Emily: Welcome to The Business of Cloud Native. I'm Emily Omier, your host, and today I am chatting with Kevin Crawley. And Kevin actually has two jobs that we're going to talk about. Kevin, can you sort of introduce yourself and what your two roles are?



Kevin: First, thank you for inviting me on to the show Emily. I appreciate the opportunity to talk a little bit about both my roles because I certainly enjoy doing both jobs. I don't necessarily enjoy the amount of work it gives me, but it also allows me to explore the technical aspects of cloud-native, as well as the business and marketing aspects of it. So, as you mentioned, my name is Kevin Crawley. I work at a company called Containous. They are the company who created Traefik, the cloud-native load balancer.



We've also created a couple other projects, and I'll talk a little bit about those later. For Containous, I'm a developer advocate. I work both with the marketing team and the engineering team. But also I moonlight as a co-founder and a co-owner of Single Music. And there, I fulfill mostly SRE type duties and also architect duties where a lot of times people will ask me feedback, and I'll happily share my opinion. And Single Music is actually based out of Nashville, Tennessee, where I live, and I started that with a couple friends here.



Emily: Tell me actually a little bit more about why you started Single Music. And what do you do exactly?



Kevin: Yeah, absolutely. So, the company started out of really an idea that labels and artists—and these are musicians if you didn't pick up on the name Single Music—we saw an opportunity for those labels and artists to sell their merchandise through a platform called Shopify to have advanced tools around selling music alongside that merchandise. And at the time, which was in 2016, there weren't any tools really to allow independent artists and smaller labels to upload their music to the web and sell it in a way in which could be reported to the Billboard charts, as well as for them to keep their profits. At the time, there was really only Apple Music, or iTunes. And iTunes keeps a significant portion of an artist's revenue, as well as they don't release those funds right away; it takes months for artists to get that money.



And we saw an opportunity to make that turnaround time immediate so that the artists would get that revenue almost instantaneously. And also we saw an opportunity to be more affordable as well. So, initially, we offered that Shopify integration—and they call those applications—and that would allow those store owners to distribute that music digitally and have those sales reported in Nielsen SoundScan, and that drives the Billboard Top 100. Now since then, we've expanded quite considerably since the launch.



We now report on sales for physical merchandise as well. Things like cassette tapes, and vinyl, so records. And you'd be surprised at how many people actually still buy cassette tapes. I don't know what they're doing with them, but they still do. And we're also moving into the live streaming business now, with all the COVID stuff going on, and there's been some pretty cool events that we've been a part of since we started doing that, and bands have gotten really elaborate with their live production setups and live streaming.



To answer the second part of your question, what I do for them, as I mentioned, I mostly serve as an advisor, which is pretty cool because the CTO and the developers on staff, I think there's four or five developers now working on the team, they manage most of the day-to-day operations of the platform, and we have, like, over 150 Kubernetes pods running on an EKS cluster that has roughly, I'd say, 80 cores and 76 gigabytes of RAM. That is around, I'd say about 90 or 100 different services that are running at any given time, and that's across two or three environments, just depending on what we're doing at the time.



Emily: Can you tell me a little bit about the sort of technical evolution at Single? Did you start in 2016 on Kubernetes? That's, I suppose, not impossible.



Kevin: It's not impossible, and it's something we had considered at the time. But really, in 2016, Kubernetes, I don't even think there wasn't even a managed offering of Kubernetes outside of Google at that time, I believe, and it was still pretty early on in development. If you wanted to run Kubernetes, you were probably going to operate it on-premise, and that just seemed like way too high of a technical burden. At the time, it was just myself and the CTO, the lead developer on the project, and also the marketing or business person who was also part of the company. And at that time, it was just deemed—it was definitely going to solve the problems that we were anticipating having, which was scaling and building that microservice application environment, but at the time, it was impractical for myself to manage Kubernetes on top of managing all the stuff that Taylor, the CTO, had to build to actually make this product a reality.



So, initially, we launched on Docker Swarm in my garage, on a Dell R815, which was like a, I think was 64 cores and 256 gigs of RAM, which was, like, overkill, but it was also, I think it cost me, like, $600. I bought it off of Craigslist from somebody here in the area. But it served really well as a server for us to grow into, and it was, for the most part, other than electricity and the internet connection into m...

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How Technology Decisions Impact Growth with Misha Bragin

How Technology Decisions Impact Growth with Misha Bragin

This week on The Business of Open Source, I spoke with Misha Bragin, co-founder and CEO of NetBird. This was also the first episode I recorded in 2025, which gives you an idea of how far in advance I’m recording episodes. NetBird has an interesting origin story — it came out of an original idea to make a hardware product, but as Misha and his co-founder were starting to work out the realities of manufacturing, they realized that they would be better off building a software company. Here were some of the take aways from the conversation: Sometimes your users want to pay you! Misha explained that before there was a commercial offering, some open source users proactively reached out asking for one — because they understood that in order for the company to be viable, it needed to have revenue. Just because you get crickets at first doesn’t mean your project sucks. When NetBird’s open source project was first released, it made zero splash.The reality of working in a proprietary piece of software, you can do things quick and dirty. *Obviously you shouldn’t, but let’s face it a lot of people do. But when your code is open, it is also a part of your communication strategy! If you push out code that’s not tested or that’s not well done, you risk reputation damage even if the software works exactly as it should. Misha talked about how choosing Auth0 as an authentication service was a mistake — not because it is a bad service, but because it was not appropriate for their target audience, who are self-hosting. This is a very good reminder of how sometimes choosing the best technology for the job can backfire; you also have to take into account who the target user is and if they are going to be repelled by the choice you’re making. Struggling to figure out how to balance your project development with your product development? Need to supercharge your funnel? You might want to work with me. Want to share your knowledge and learn from your peers who are open source entrepreneurs? You should join us at Open Source Founders Summit May 19th and 20th in Paris.

5 Mars 35min

Open Source and AI Coding Assistants with Ty Dunn

Open Source and AI Coding Assistants with Ty Dunn

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26 Feb 40min

The CFO's View of Open Source Companies with Eileen Doody and Karen Walker

The CFO's View of Open Source Companies with Eileen Doody and Karen Walker

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19 Feb 37min

Thinking Hard about your License Choice with Ivan Burazin

Thinking Hard about your License Choice with Ivan Burazin

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6 Feb 39min

Bootstrapping an Open Source Company with Ludovic Dubost

Bootstrapping an Open Source Company with Ludovic Dubost

This week on The Business of Open Source, I talked with Ludovic Dubost, founder and CEO of XWiki about the long history of XWiki, which he started in 2003. This was a wide-ranging conversation… here’s some of the things we covered: Why XWiki is an open source company. Ludovic started out with the explicit goal of creating a company, so why start it as an open source company? The reality that starting a software company in Europe means putting yourself at a disadvantage — which doesn’t mean that you shouldn’t do it, but rather that you need to be aware of that fact, and that open source is one tool that European companies can use to  succeed even when they are at a disadvantage. How Ludovic bootstrapped the company, including moving from support contracts to recurring revenue from the SaaS and how the transition has happened over the yearsThe difficulties that come from being small and bootstrappedManaging the balance between distribution and monetizationWhy a community version / enterprise version model did not work for XWikiWhy it’s so important to pay attention to your competitive landscape, because the only way to get customers is by offering something that is better in some way than your competitors — it’s your comparative strengths that matter. Did you enjoy this conversation? Find Ludovic and XWiki at Fosdem on Saturday! And/or join us at Open Source Founders Summit. Are you also interested in the challenges around product management for open source companies? You might want to work with me.

29 Jan 46min

Building an Open Source Company for Long-Term Sustainability with John O'Nolan

Building an Open Source Company for Long-Term Sustainability with John O'Nolan

This week on The Business of Open Source, I spoke with John O’Nolan, the co-founder of ghost.org. Before further ado, John is going to be one of speakers at Open Source Founders Summit 2025, so if you’d like a chance to dive deeper into any of the subjects we talked about on the podcast with him, in person, you should join us in May. There’s a lot of interesting tidbits to pull out from this conversation. First of all, I think it’s interesting that Ghost came about because Wordpress was moving away from its roots as a pure publishing tool and becoming a website builder. John, who was very involved in the Wordpress community at the time, wondered what it would look like if Wordpress went back to its roots and focused on publishing and only publishing. It’s a lesson for founders that sometimes focusing on the small niches left behind as incumbents expand can be huge opportunity. —> It’s worth noting that we recorded this podcast last fall when the drama between Wordpress and WPEngine was exceptionally hot. Ghost is organized as a non-profit, and John also talked about why he made that decision from the beginning. It came down to wanting to make a good salary at a company he had started, but without the goal of becoming fabulously wealthy as a result. We also talked about whether or not a venture-backed company can be ‘responsible’ with respect to their community; and what types of companies tend to be able to manage the tensions between the community needs and the fiduciary duty that you have if you take outside funding. We also talked about the difference in the market between the product and the project, how Ghost manages to expand in spite of not having a dedicated marketing team. We also talked about the difference between building a sustainable business and building a business that gets hockey stick very quickly as well as some of the tension between technology decisions and business decisions. If you want to talk more about these issues — and want to talk directly with John — you should come to Open Source Founders Summit May 19th and 20th, 2025. Get your tickets here.

22 Jan 43min

The Complicated Calculus around Donating a Project to a Foundation with Omri Gazette

The Complicated Calculus around Donating a Project to a Foundation with Omri Gazette

In the last episode of The Business of Open Source recorded at KubeCon Salt Lake City, I spoke with Omri Gazitt, co-founder and CEO of Aserto. Aserto has two open source project that it maintains, one of which it donated to the CNCF. In this episode, we talked about the decision to donate a project to the CNCF — both what the process entailed and what is in for Aserto in having a project at the CNCF. But of course Aserto also has another project, Topaz, which it has not donated to the CNCF. We also talked about why Topaz wasn’t donated to the CNCF. A couple things to pull out of this conversation: The complicated calculus of deciding whether to donate a project to a foundation, and how the dynamics of the market change over the years and you have to think very critically about the specifics of your situation before making the decision to donate to a foundationHow every company has slightly different market pressures — sometimes the market pushed you to donate to a foundation, sometimes the market doesn’t care. The importance of thinking not just about market share when you’re open source, but also how you are going to monetize! It’s possible to have vastly smaller market share but make vastly more money. Why being an open source company does not have to mean that your paid solution has to be cheaper than your competitors. Why you don’t have to start selling into startups — sometimes your best customers will always be either mid-market or enterprise from the very beginning. We talked about the panel I moderated at CloudNative StartupFest at KubeCon. If you missed it, here’s the link to see the replay. We also talked about Adam Jacob’s talk at the same event, which you can see here. If you’re building a company around an open source project and aren’t sure how to manage the relationship between the project and product, you might want to work with me or come to Open Source Founders Summit this May.

15 Jan 24min

A Massive Head Start on Product Development with Open Source with Martin Mao

A Massive Head Start on Product Development with Open Source with Martin Mao

This special episode recorded live at KubeCon Salt Lake City last November is with Martin Mao, CEO and co-founder at Chronosphere.We talked about how M3 was foundational to the early history of Chronosphere, and how the ability to leverage M3, which Martin and his co-founder had written while they were still working at Uber. One of the most important aspects of this story is that since M3 is the foundation Chronosphere is built on, the fact that it was developed over four years at Uber while they were still on Uber’s payroll meant that when they decided to build a company it allowed them to get to market dramatically faster than would have been possible otherwise. Chronosphere’s core platform is a proprietary SaaS product, but still has a significant relationship with two other projects: Perses, which was developed at Chronosphere and donated to the CNCF in 2024; and FluentBit, a CNCF graduated project that was originally developed by Calyptia and became part of Chronosphere when it acquired Calyptia. We talked about: The pros and cons of donating projects to the CNCF, from both the perspectives of the company creating the project and the interests of the community and project itselfWhy Chronosphere’s core platform isn’t open source itselfHow a company can end up getting financial advantages from being the stewards of large open source community, even if the connection doesn’t always seem obviousHow product roadmaps are managed for the two projects versus how it’s managed for Chronosphere’s proprietary products. If you’re building a company around an open source project and aren’t sure how to manage the relationship between the project and product, you might want to work with me or come to Open Source Founders Summit this May.

10 Jan 20min

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