Rephonic
Artwork for Cup o' Go
Go Programming Language
Gophercon
Security Vulnerabilities
Software Development
Kubernetes
Go 1.22
Go Community
Cryptography
Go 1.26
Go Developer Survey
Go Language
Game Development
Go West Conference
Go 1.26 Release
Linux
Typescript
Open Source
Go 1.24
FIPS
Ultimate Go Tour

Stay up to date with the Go community in about 15 minutes per week

PublishesWeeklyEpisodes161Founded3 years ago
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Artwork for Cup o' Go

Latest Episodes

• 🤡 Go 1.26.4 and 1.25.11 released

• 🥉 Learning Go, 3rd Edition by Jon Bodner in early release

• 🇩🇪 GopherCon EU, June 15-18 @ Berlin, Germany

• 💰 Reddit: Working with money in Go• github.com/shopspring/decimal

github.com/Rhymond/go-money

• M... more

YouTube

• GoConf, Sept 11 & Moscow, Russia• CFP

• Proposals• Accepted: Formal GODEBUG removal policy

• New: Allow explicit conversion from function to 1-method interface

• Blog: The 10 Go Error Handling Commandments by Preslav Rachev

• Learn Logging & Obse... more

YouTube

• 🛡️ Several security releases• 🖼️ Vulnerabilities in golang.org/x/image

• 🔐 Vulnerabilities in golang.org/x/crypto

• 🥅 Vulnerabilities in golang.org/x/net

• 📘 Blog: Introducing the pkg.go.dev API by Ethan Lee, Hana Kim, and Jonathan Amsterdam more

YouTube

• GopherCon Agenda is live!  Aug 3-6 @ Seattle

• Go 1.26.3 and 1.25.10 released with 11 security fixes

• Go + LLM projects• gosymdb: A Go symbol and call-graph database backed by SQLite.

• cli-bridge: If you want agents to actually use your CLI, this... more

YouTube

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Recent Guests

Tomasz Tomczyk
Software engineer and guest on the interview; creator/maintainer of CRIT tool, and proponent of Vibe coding
Vetspire (Software Engineer), CRIT project
Episode: OpenAPI 3.1.0 support in kin-openapi, and a CRITical look at agentic coding
George Adams
Software Engineering Manager at Microsoft, leads the team behind the Microsoft Builder Go
Microsoft
Episode: A Nil by any other name
Creed Haymond
Epic Games staff, Go advocate
Epic Games
Episode: Go is epic at Epic! Chat with Creed Haymond about Go in gaming
Josh Bleecher Snyder
Go compiler toolchain and runtime contributor
Go project / Go SF community
Episode: 🌉 Live from SF w/ Josh Bleecher Snyder: Divide and Slog, Sponsored by Antithesis and Ardan Labs
Jakub Czojak
Go developer and security researcher referenced on the show
Go community/security researcher
Episode: 🌷 Spring is in the air! 🌸 Time to cool down! 🧊
Lucy Wen
China publishing lead in Packet
Packet
Episode: 🌷 Spring is in the air! 🌸 Time to cool down! 🧊
Jakub Ciolek
Security researcher involved in the Go community
AlphaSense
Episode: Your ID is absolutely unique. Just like everyone else's. — Plus Jakub Ciolek talks fuzzing and bug bounties
Dominic St-Pierre
Software engineer and host of Go Podcast.
Episode: Go pherJS. 🌐 Go survey. 📈 Go podcast. 🎧
Akshay Shah
Former Uber employee focusing on infrastructure and Go frameworks.
Uber
Episode: 🤐 Three goroutines may keep a secret, even if none are dead. Plus, 💉 dependency injection is horrible—change my mind!

Reviews

4.9 out of 5 stars from 137 ratings
  • Both fun and interesting

    Even though I’m a hobby coders and only learning Go, I find this show really interesting: the hosts explain things clearly and explain why something is worth noting. They interact very well together and this makes for really fun episodes that I look forward to each week

    Apple Podcasts
    5
    oldbus
    United Kingdom3 months ago
  • Weekly sonic bytes of Go

    Shay and Jonathan are a lot of fun to listen to. I often leave the podcast running in the background while I’m out running errands.

    The format is easy to digest, and I love how careful the hosts and guests are about not drifting into long tangents or straying from the main topics. I also don’t always have time to dig through the hottest Go issues on GitHub, so I use the podcast as a way to catch up.

    Another highlight is how often it features recent blog posts from the Go community, many of whi... more

    Apple Podcasts
    5
    Redowan Delowar
    Germany9 months ago
  • Love the show

    Really helps with keeping up on latest Go news. Sweet and short!

    Apple Podcasts
    5
    m3e-v4r
    United Statesa year ago
  • Lovely podcast

    Really like the show keep it up guys !

    Apple Podcasts
    5
    cempack
    Francea year ago
  • Fun, fast but also very informative. Great podcast for Go'ers

    Podcast Addict
    5
    Charles888
    a year ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Guests bring practical, real-world Go insights.
Shows are a go-to quick read on Go community updates.
Listeners praise the concise format and clear host chemistry.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#231
Canada/Technology
Apple Podcasts
#205
Finland/Technology
Apple Podcasts
#210
Ukraine/Technology
Apple Podcasts
#238
Denmark/Technology

Talking Points

Recent interactions between the hosts and their guests.

OpenAPI 3.1.0 support in kin-openapi, and a CRITical look at agentic coding
Q: Why did you choose Go over Elixir for Crit MD's hosted service?
The choice is driven by the lean binary size, standard library coverage, and strong tooling that suits a lightweight, secure hosting model, though Elixir shines in real-time and security concerns for shared plan reviews.
OpenAPI 3.1.0 support in kin-openapi, and a CRITical look at agentic coding
Q: What are your impressions of working with Go for this project?
Tomasz explains that Go's rich standard library and tooling support enable a lean, single-binary design for Crit, while highlighting Go's ecosystem and concurrency primitives as strengths, balanced with trade-offs against Elixir for hosting and real-time features.
Builds, Validation, Web3, CORS, Typescript-- wait this is a Go show?! with Paweł Zaremba
Q: What was the motivation behind proposing a separate build version flag for Go, and how does it compare to the existing build VCS flag?
The guest explains that a separate build version flag could allow a separate versioning convention from the repository, but there is skepticism about adding more flags and increasing complexity. The discussion notes that existing mechanisms already support embedding version information, so the new flag might only be useful in specific workflows.
Go is epic at Epic! Chat with Creed Haymond about Go in gaming
Q: What were the concrete results of migrating from Java Spring to Go?
Across benchmarks, a Go-based architecture achieved around 48,000 requests per second versus roughly 4,000 for the Java/Spring setup, with similar production load and fewer resources, which helped drive leadership buy-in and formal proposals to adopt Go more broadly.
Go is epic at Epic! Chat with Creed Haymond about Go in gaming
Q: Tell me about Go and Epic. All the new games are written in Go now, right?
Go is used in several Epic teams, particularly in Epic Online Services, where Go has been adopted to rewrite and port services from Java Spring due to performance gains, simpler tooling, and the ability to handle high load with lower resource usage.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About Cup o' Go

What is Cup o' Go about and what kind of topics does it cover?

This show delivers concise, 15-minute episodes focused on the Go programming language and its ecosystem, often pairing practical tooling discussions with timely community news. Topics frequently cover security updates, language features, tooling—such as API validation, OpenAPI, and build/vcs integration—and real-world deployments in enterprises and gaming. A notable pattern is the blend of technical depth with accessible banter, live community notes, and occasional deep-dives with guest experts who bring hands-on experience from major tech companies or open-source projects. The format and guest mix make it a solid fit for developers who want quick, high-signal updates and concrete takeaways for applying Go in production, product teams seeki... more

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How many episodes of Cup o' Go are there?

Cup o' Go launched 3 years ago and published 161 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Cup o' Go?

Recent guests on Cup o' Go include:

1. Tomasz Tomczyk
2. George Adams
3. Creed Haymond
4. Josh Bleecher Snyder
5. Jakub Czojak
6. Lucy Wen
7. Jakub Ciolek
8. Dominic St-Pierre

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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