Hello Bärner Go Community

We are very happy to announce the next Bärner Go Meetup on **Wednesday, November 5 2025 at 17:45**. The event will be at **Puzzle ITC** (Belpstrasse 37) in **Berne**.

* 17:45 **Check-In**
* 18:00 **Welcome by Bärner Go Meetup Group & Puzzle ITC**
* 18:15 **Talks**

**Abusing Container Registries to Build Self-Updating Go Binaries - Christian Blättler**
Container registries aren't just for Docker images. Using ORAS, we can stuff Go binaries into OCI-compliant registries and build programs that check for updates, download new versions, and replace themselves at runtime. This talk walks through the implementation details: querying registry APIs for new tags, handling the binary swap dance, and building in rollback logic when the new version inevitably breaks something. You'll see how to turn any container registry into a binary distribution system and why this approach beats rolling your own update infrastructure.

**From Go to the Browser: Parsing GoPro Metadata with WebAssembly - Chrigu Cueni**
I’ve been working on a side project called TrailTrace. The core is written in Go, where I parse GoPro video metadata (GPS, gyro, accelerometer, etc.). To make it run in the browser, the Go code is compiled to WebAssembly, so the same parsing logic works directly client-side without a backend. The frontend is a Nuxt app that visualizes rides or ski tours on a map.One of the interesting parts has been dealing with memory: One can use memory in JS freely, but WebAssembly itself is limited in memory, so I had to find ways to stream large video files efficiently without hitting that limit.
If you’re curious, you can try a demo here: [https://trailtrace.video](https://trailtrace.video/)

**Acceptance Testing a Terraform Provider for Incus - Fabian Mettler**
Terraform providers let us manage infrastructure by bridging Terraform Core with external APIs. But how do you make sure your provider actually works as expected? In this talk, I’ll walk through how to write acceptance tests for a Terraform provider, using the [Incus provider](https://github.com/lxc/terraform-provider-incus) as an example. [Incus](https://linuxcontainers.org/incus/introduction/) is a modern, secure, and powerful system container and virtual machine manager. You’ll see how acceptance tests spin up real Terraform runs, verify resource lifecycles, and ensure the provider stays reliable as both Terraform and Incus evolve.

The format will be talks followed by an open discussion with refreshments.

Hope to see you there!

Bärner Go Meetup

John M. Hutchison

Lucas Bremgartner

Patrick Fiaux

Philip Sahli

Thomas Gosteli

Yves Fischer

Jacques (0xjac)

Christian Blättler

Tom Payne

Chrigu

Elia Bieri

Fabian Mettler

Marc

Johannes

Lukas Zaugg

Chrigu Cueni

Johann Gyger

Lorenz Padberg

Yves

atoz prasad

Bärner Go Talks 2025 no. 4 at Puzzle ITC

Puzzle ITC

Join us for an evening featuring two insightful talks, plus plenty of time to reconnect and mingle with fellow Gophers.

**Talk 1 the new accepted** `errors.AsType`**:**

* Recap: `errors.As` & `errors.Is`
* We go over https://github.com/golang/go/issues/51945
* Rationale, differences and implementation of `errors.AsType`.
* How does the go proposal process work?

**Talk 2 having fun with the go compiler**:

* What does it take to compile the go toolchain?
* Adding a new operator.
* Compiler inlining and PGO (Profile-guided optimization)?
* In this hands on talk, we closely follow the workshop of [Jesús Espino](https://www.linkedin.com/in/jesus-espino/)
[having fun with the go source code](https://jespino.github.io/having-fun-with-the-go-source-code-workshop/index.html)
* **OPTIONAL**, if you want to tag along on your own machine, follow the instructions [here](https://jespino.github.io/having-fun-with-the-go-source-code-workshop/00-introduction-setup.html).

**Format:**

* Drinks and interactive Q&A after each talk.

**We are actively looking for speakers for future meetups!**
We have slots available! Whether you want to:

* Share your experience with Go error handling
* Discuss a proposal you're following or working on
* Present a quick demo or code example
* Ask questions and spark discussion
* …

No need to prepare a full presentation - even a 5-minute experience report or question for discussion is welcome. Sign up when you arrive, or message us in advance if you want to give a talk.

**Who should attend:**

* Go developers at any level or people interested in go.

Stuttgart Gophers

Alex Badragan

Yannick

Moritz Gruber

Allen S.

Alexander Adrian Morí Canchary

Gautam Ghosh

Azamkhon Khudayberdiev

Aleksandr

Caesar

Last Stuttgart Gophers Meetup before Christmas!

Thoughtworks Deutschland GmbH

XXXII. Go Meetup

Hi Gophers!

We're back just in time for the 32nd Go Meetup and we are happy that Amazon Web Services has offered to host. Please make sure to bring an identification card with you.

The meetup will take place on Thursday, November 6. There will be drinks and food!

If you would like to give a talk, please write us!

We cannot stress enough how much we welcome first-time speakers! If you aren't sure, please message the organizers and we'll help you out :)

Agenda
• 6:00 - Meet and Greet. Enjoy refreshments
• 6:25 - 6:30 - Announcements
Talks:
• 6:30 - 7:00 AWS Talk
• 7:00 - 7:30 Axel Wagner: So you want to add variant types to Go?
• 7:30 - 8:00 Michael Stapelberg: Emacs: a super quick introduction
• 8:00 - 8:30 - Lightning talks, wrap-up, round table discussions, questions, pair programming, social interaction

For this meetup, we will enforce the 30min speaking time

Zürich Gophers

Michael

Dan Acristinii

Timo G

Jannick

Jan Minder

Christian Birchler

Radu Ciurlea

Anton Chernysh

Fleischman Raul

German

Ioannis Krokos

Marcelo Ludovico 

Loris

Cyrill Schumacher

Arve Knudsen

Arianna Vespri

David Kuda

Wolfgang

XXXII. Go Meetup @ AWS

Marsstrasse 2

Hello Gophers

Welcome back for another year of Go talks and networking!

For this event, all talk formats work: short talks (5-10 min) as well as regular length (25 min).

Would your company like to host this or another? Let us know!

If you'd like to give a talk - submit your proposals here: http://goo.gl/forms/54YvJT223F

If you have more ideas - talk to us at the Gophers slack: https://invite.slack.gobridge.org/ in the #berlin channel, and follow us on twitter: https://twitter.com/gdgberlingo

Join in person at:
**[Upvest](https://maps.app.goo.gl/ykLnU2mVRDdaSGck8)**[ GmbH, Prenzlauer Allee 242/247, 10405 Berlin](https://maps.app.goo.gl/ykLnU2mVRDdaSGck8)
On the intersection of Prenzlauer Allee and Saarbrücker Str. you will find a big Augustiner Biergarten sign, where you can come upstairs and find our building almost in front of you, on top of their restaurant.
Follow the path to walk around the left or right hand side of the Augustiner restaurant (both ways work), and as you come to the "back" side of this building you'll find our entrance/reception at the left corner or the building.
We'll have a security guard at reception. After signing in (we'll have the guest list on the door), you can proceed directly to the 3rd floor via the lift where the event will take place. Toilets, drinks and snacks will be available on that floor. Floors 1 and 2 are not accessible to guests.

About Upvest:
At [Upvest](http://upvest.co/), we're on a mission to make investing as easy as spending money. We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users.
Upvest is a well-funded, fast-growing FinTech with a diverse team of over 250 people from 70+ nationalities working across our hubs in Berlin, Tallinn, and London. Our latest [€100m fundraising round ](https://upvest.co/blog/upvest-raises-100m-series-c-to-empower-100m-people-to-invest)(Series C) was led by Hedosophia and Sapphire Venture, with continued support from existing investors including Bessemer Venture Partners, BlackRock, Earlybird, HV Capital, Motive Ventures, and Notion Capital.

***

Agenda

6:00 PM: Networking

Networking over drinks and food

7:30 PM: Welcome

Welcome words from the organizers

7:35 PM: Talk 1: Demystifying Go’s Concurrency and Performance / Ronna Steinberg

8:10 PM: Announcements and break

Announcements, HR lost & found, open mic

8:25 PM: Talk 2: Terminating Elegantly - A guide to graceful shutdowns / Alex Pliutau, Staff Software Engineer @ Entyre

Let's dive into the world of graceful shutdowns, specifically for Go applications running on Kubernetes.

9:00 PM: Networking

Networking over drinks and food

***

Hosted By

Natalie Pistunovich, Organizer

Ole Bulbuk, Organizer

Tim Scheuermann, Organizer

Anderson Queiroz

GDG Berlin Golang

GDG Global

Jonas B

Fady

Rajith

Reza Malek

Mohamed Chiheb ben Jemaa

Raimon Espasa

Nick

Andrii 

Mathias Rüdiger

chinedu enemuo

Michael Naidyonov

Robert Haß

Riko Tertsch

Giuseppe

Elidjon Grembi

Alex Pliutau

Vladimir Varankin

Gabor U

[HYBRID] November Golang Meetup

Upvest GmbH

Thursday Go!

Join us to mob programming 3pm-4pm PST every Thursday and take a nap some other time!

This is an interview prep too. Normally interviews are remote meeting these days, as a group (with interviewers, in that case) and sometimes happen in the afternoon!

Zoom link will be shared when RSVP - this is NOT a paid event.

Read if curious about "remote mob programming"
https://www.remotemobprogramming.org/

https://mobprogramming.org/mob-programming-basics/

Whether you are a beginner or an experienced coder, you will benefit from this interactive session. No homework, no extra burden.

Don't miss out on this valuable opportunity to grow as a software developer and connect with like-minded individuals in the community.

Thursday Go

Kang-Kyu Lee

Nelson Jovel

Thursday Afternoon Go (remote)

Online event

Go Developers

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