Slack’s Chef Infrastructure 🧑‍🍳, EC2 Capacity Manager 📈, Scaling Privacy Infrastructure 🔒

Slack has enhanced its EC2 infrastructure safety by splitting its single production Chef environment into multiple isolated environments ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With TLDR DevOps 2025-10-24 Bringing observability into developer workflows: IDE, pipelines, and AI (Sponsor) A checkout service is timing out, but only for users in the U.S. West region. Devs are being asked to fix it in minutes. But if they're chasing down bugs across environments, will they miss the real issue? Reducing cognitive load — especially by minimizing context switching — improves dev productivity and satisfaction. That's why you should integrate observability into IDEs and development workflows to enable: 1️⃣ Live debugging breakpoints, 2️⃣ Environment filtering, 3️⃣ Code-level debug data, 4️⃣ Agentic AI within their workflow. Read the Developer's Guide to Observability 📱 News & Trends Announcing Amazon EC2 Capacity Manager (2 minute read) Amazon's EC2 Capacity Manager is a new tool that provides centralized monitoring, analysis, and management of EC2 capacity across all accounts and regions. It delivers detailed insights, historical usage trends, and optimization workflows through an integrated dashboard and APIs. Introducing AWS RTB Fabric for real-time advertising technology workloads (4 minute read) AWS RTB Fabric is a fully managed service designed for real-time bidding (RTB) advertising workloads. It aims to provide AdTech companies with single-digit millisecond performance and up to 80% lower networking costs when connecting with partners like Amazon Ads and TripleLift. The service is available in regions including US East (N. Virginia) and Europe (Ireland). 🚀 Opinions & Tutorials How to manage EKS Pod Identities at scale using Argo CD and AWS ACK (9 minute read) This post demonstrates how to manage Amazon EKS Pod Identity associations at scale using Argo CD and AWS Controllers for Kubernetes (ACK) within a GitOps workflow. It addresses the challenge of the EKS Pod Identity API's eventual consistency by introducing a validation job to confirm IAM role readiness before pod deployment or by tuning the Argo CD sync wave delay, ensuring reliable and secure automated deployments. Advancing Our Chef Infrastructure: Safety Without Disruption (9 minute read) Slack has enhanced its EC2 infrastructure safety by splitting its single production Chef environment into multiple isolated environments (prod-1 to prod-6) based on Availability Zones. Slack also replaced scheduled Chef runs with a new Chef Summoner service that triggers runs based on signals from Chef Librarian, ensuring updates are only applied when available, and introduced a fallback cron job to maintain compliance and recover from Chef Summoner failures. Slack is building a new EC2 ecosystem called Shipyard, which is designed for service-level deployments, metric-driven rollouts, and automated rollbacks. 🧑‍💻 Resources & Tools Kubernetes won't fix culture...but Planview might (Sponsor) Ever feel like your team is stuck with the fallout from years of siloed thinking? With Planview, you get a single overview of bottlenecks, cross-team dependencies, and risks. Connect your teams to the data they need to ship faster, without sacrificing stability. See how Planview unifies your product development cycle Copilot CLI (GitHub Repo) GitHub Copilot CLI brings AI-powered coding assistance directly to the command line, allowing users to build, debug, and understand code through natural language. Users can install it globally with npm and authenticate via a fine-grained PAT using models like Claude Sonnet 4.5 or GPT-5. RAG-Anything (GitHub Repo) RAG-Anything is a comprehensive, all-in-one RAG (Retrieval-Augmented Generation) system built on LightRAG that processes diverse multimodal content like text, images, tables, and equations. The framework uses MinerU for document structure extraction, adaptive content decomposition to segment documents, and modality-aware processing units to analyze different data types, offering a unified solution for querying mixed-content documents. Key features include multi-modal entity extraction, cross-modal relationship mapping, and a hybrid retrieval system that combines vector similarity search with graph traversal. 🎁 Miscellaneous Load Balancing Monitor Groups: Multi-Service Health Checks for Resilient Applications (5 minute read) Cloudflare has introduced Monitor Groups for Load Balancing, allowing users to aggregate multiple health monitors into a single entity that provides a more accurate and resilient view of application health. This feature enables quorum-based health evaluation, critical monitor prioritization, and globally distributed assessments, helping applications make intelligent failover and traffic steering decisions based on true end-to-end availability. Transition to Azure Functions V2 on Azure Container Apps (4 minute read) Azure Functions V2 on Azure Container Apps introduces a fully native, feature-rich deployment model that simplifies resource management and unlocks capabilities like multi-revision control, Easy Auth, health probes, and CI/CD integration. Scaling Privacy Infrastructure for GenAI Product Innovation (5 minute read) Meta is scaling its Privacy Aware Infrastructure (PAI) to address the challenges of safeguarding data in the GenAI era, with a focus on its AI glasses as an example use case. PAI is a suite of infrastructure services, APIs, and monitoring systems designed to integrate privacy into every aspect of product development, with data lineage tracking being a key technology. ⚡ Quick Links Free Guide: Migrate Linux Workloads to Microsoft Azure (Sponsor) Built in partnership with Microsoft, AMD and VIAcode, this guide provides a zero-downtime migration framework, cost-saving strategies, post-migration tips, and real-world case studies. Get the guide Choosing the Right Azure Containerisation Strategy: AKS, App Service, or Container Apps? (3 minute read) This guide explains each service's strengths, ideal use cases, and trade-offs to simplify decision-making for cloud-native deployments. Grafana and Grafana Cloud release cycle: An end-of-year update (6 minute read) Grafana Cloud will undergo release freezes during two periods this year to ensure stability for customers during the holidays. Help us test OpenTofu 1.11.0-beta1 (4 minute read) OpenTofu 1.11.0's beta release stabilizes module deprecation features and introduces performance improvements. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/3b85ceef/10 Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of devops professionals and decision makers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! If you have any comments or feedback, just respond to this email! Thanks for reading, Kunal Desai & Martin Hauskrecht Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR DevOps isn't for you, please unsubscribe.