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Argo Workflows 3.7 🆕, Accelerating Developer Velocity 🚤, Vulnerable GitHub Actions 🔍

TLDR DevOps <dan@tldrnewsletter.com>

July 2, 10:06 am

TLDR DevOps
Argo Workflows v3.7.0 RC3 has been released. It features new functionalities and fixes designed to enhance workflow automation capabilities. ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

TLDR

TLDR DevOps 2025-07-02

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News & Trends

Argo Workflows 3.7 (4 minute read)

Argo Workflows v3.7.0 RC3 has been released. It features new functionalities and fixes designed to enhance workflow automation capabilities.
New Amazon EC2 C8gn instances powered by AWS Graviton4 offering up to 600Gbps network bandwidth (2 minute read)

Amazon EC2 C8gn network-optimized instances, powered by AWS Graviton4 processors and the latest 6th generation AWS Nitro Card, are now generally available. Offering up to 600Gbps network bandwidth, these instances deliver up to 30 percent higher compute performance compared to Graviton3-based EC2 C7gn instances.
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Opinions & Tutorials

How to detect vulnerable GitHub Actions at scale with Zizmor (7 minute read)

Grafana Labs experienced a security incident in April due to a vulnerable GitHub Action configuration, but no code, systems, or data were compromised thanks to swift detection and response. To prevent similar attacks, it has implemented Zizmor, an open source static analysis tool, despite facing challenges like API rate limits and configuration distribution.
How to troubleshoot common NGINX errors (5 minute read)

NGINX errors arise from misconfigurations, resource limitations, network problems, permission issues, and backend server failures, impacting website performance and security. Troubleshooting involves checking service status, analyzing error logs and HTTP codes, testing configurations, applying targeted fixes, and following best practices like monitoring resources and updating software to prevent future issues.
Tool Calling with Local LLMs: A Practical Evaluation (6 minute read)

A new testing framework called model-test was created to determine which local models are best for tool calling in GenAI and agentic applications.
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Resources & Tools

Freelens (GitHub Repo)

Freelens is a free and open-source UI for managing Kubernetes clusters.
OmniTools (GitHub Repo)

OmniTools, a self-hosted web app, offers a collection of online tools to simplify coding, image/video manipulation, PDF handling, and number crunching, with all files processed on the client side.
Kan (GitHub Repo)

Kan is an open-source project management alternative to Trello that can be self-hosted using Docker Compose.
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Miscellaneous

No SSH? What Is Talos, This Linux Distro for Kubernetes? (3 minute read)

Talos Linux is a minimal, secure OS for Kubernetes managed entirely via API without SSH or shells with built-in security and VPN connectivity. It runs on cloud, bare metal, virtual machines, and edge devices.
Building a dynamic inventory optimisation system: A deep dive (9 minute read)

To help partners maintain a profitable inventory, Zalando's ZEOS has built a scalable inventory optimization system that provides AI-driven replenishment recommendations. The system uses a 2-step flow involving demand forecasts and replenishment optimization, breaking the inventory optimization problem into two blocks, demand forecast and inventory optimization.

Quick Links

From pair to peer programmer: Our vision for agentic workflows in GitHub Copilot (5 minute read)

GitHub Copilot is evolving from a passive coding assistant into an active AI collaborator capable of independently solving problems, reviewing code, and adapting to developers' workflows in real time or asynchronously.
Accelerating Developer Velocity With Effective Platform Teams (5 minute read)

Platform engineering teams boost business value by simplifying technical work and easing developer tasks.

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Thanks for reading,
Kunal Desai & Martin Hauskrecht


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