Blog
Welcome to the Cozystack blog! Here you’ll find the latest news, updates, and insights about Cozystack platform.
Posts in 2026
Game Servers on Cozystack: No April Fools' Joke
2026-04-01 in Blog
tl;dr:
Author: Timur Tukaev (Ænix) hello, world! We are the team behind Cozystack, an open-source platform for building clouds on your own hardware. We want to explain why we decided to target the game server space and what came of it. What Is Cozystack Cozystack is a platform that turns ordinary servers into a full-fledged cloud. The project is part of CNCF Sandbox, is distributed under the Apache 2.0 …
Cozystack 1.2: OpenSearch, VPC Peering, and Smarter Tenant Scheduling
2026-03-31 in Blog
tl;dr: Cozystack 1.2 brings managed OpenSearch, VPC peering, SchedulingClass, and a stabilization follow-up in v1.2.1.
Cozystack 1.2: OpenSearch, VPC Peering, and Smarter Tenant Scheduling The Cozystack 1.2 release line is now available. v1.2.0 was published on March 27, 2026, and v1.2.1 followed on March 31, 2026. This cycle expands the platform in three important directions: managed search and analytics, secure networking between tenant environments, and better control over where tenant workloads run. The …
Cozystack v1.0 & v1.1: Introducing Package-Based Architecture, Cozystack Operator, Velero Strategy Controller, MongoDB and OpenBAO Support
2026-03-16 in Blog
tl;dr:
Author: Timur Tukaev (Ænix) The last platform release was 0.41. So it came as a surprise when the next release, 0.42, turned out to be the answer to the ultimate question of life, the universe, and everything. The number of serious changes that had piled up was just too great—so much so that 0.42 had to be renamed to 1.0. With the release of v1.0.0, Cozystack is undergoing a fundamental …
Cozystack at KubeCon Europe 2026
2026-03-11 in Blog
tl;dr:
Author: Timur Tukaev (Ænix) Amsterdam, Netherlands — March 25 📍 CNCF Project Pavilion 🪧 Kiosk P-18A | Halls 1–5 🕙 Wednesday, March 25 | 10:00 – 13:30 Building your own public or private cloud? Running Kubernetes-based services for your customers? Trying to simplify your stack? Want to automate operations and stop paying huge bills to big cloud providers? Come find our COO, Timur Tukaev, at the …
Invitation to CozySummit Virtual – May 26
2026-02-11 in Blog
tl;dr:
Author: Timur Tukaev (Ænix) Join us on May 26 for 2nd CozySummit Virtual, conference for CozyStack developers and adopters. 📢 CFP is open until March 8 – submit your talk and become speaker at our event! CozySummit Virtual is organized by CNCF with the support of CozyStack maintainers and project sponsors. Suggested Session Topics: Cozystack in Production: Real-world deep dives into architecture, …
Cozystack v0.41: MongoDB, Dashboard Edit Button, Resource Quota UI, JWT Security, and cert-manager Gateway API
2026-01-20 in Blog
tl;dr: Cozystack v0.41 adds MongoDB as a managed application, introduces the Edit button and resource quota usage in the dashboard, adds JWT token verification, and enables cert-manager Gateway API support.
Cozystack v0.41: MongoDB, Dashboard Edit Button, Resource Quota UI, JWT Security, and cert-manager Gateway API Version 0.41 expands the database catalog with MongoDB and significantly improves the dashboard and security posture. Major Features and Improvements MongoDB as a Managed Application MongoDB joins the Cozystack application catalog as a fully managed service with: Replica set deployment …
Cozystack v0.40: LINSTOR Scheduler, SeaweedFS Traffic Locality, ValuesFrom Configuration, and Platform Decomposition
2026-01-10 in Blog
tl;dr: Cozystack v0.40 introduces the LINSTOR scheduler for optimal pod placement near storage replicas, SeaweedFS traffic locality, a new ValuesFrom configuration mechanism, and major platform architecture refactoring.
Cozystack v0.40: LINSTOR Scheduler, SeaweedFS Traffic Locality, ValuesFrom Configuration, and Platform Decomposition Version 0.40 is a substantial release that optimizes storage performance, introduces a new configuration mechanism, and refactors the platform architecture for modularity. Major Features and Improvements LINSTOR Scheduler A new LINSTOR scheduler places pods on nodes that have local …
Posts in 2025
Cozystack v0.39: Topology-Aware Routing, Windows VM Scheduling, Talm Overhaul, and VMAgent for Tenants
2025-12-23 in Blog
tl;dr: Cozystack v0.39 adds Cilium topology-aware routing, Windows VM scheduling with nodeAffinity, a major Talm tool overhaul with encryption support, and VMAgent for tenant namespace metrics.
Cozystack v0.39: Topology-Aware Routing, Windows VM Scheduling, Talm Overhaul, and VMAgent for Tenants Version 0.39 enhances networking, scheduling, and the tooling around Cozystack infrastructure management. Major Features and Improvements Topology-Aware Routing for Cilium Cilium services now support topology-aware routing, keeping traffic local to the same zone or region when possible. This …
Talm v0.17: Built-in Age Encryption for Secrets Management
2025-12-17 in Blog
tl;dr: Talm v0.17 introduces built-in age encryption for secure secrets management, making it easier to store sensitive configuration files in Git repositories while maintaining security best practices.
Talm v0.17: Built-in Age Encryption for Secrets Management The latest release of Talm, the configuration manager for Talos Linux, introduces a powerful new feature: built-in encryption using the age encryption tool. This enhancement allows you to securely store sensitive configuration files like secrets.yaml, talosconfig, and kubeconfig in Git repositories while following security best practices. …
Flux-aio, Kubernetes mTLS and the Chicken and Egg Problem
2025-12-12 in Blog
tl;dr: How we solved the chicken-and-egg problem of deploying CNI and kube-proxy through Flux while ensuring Flux itself works without CNI and kube-proxy, using Kubernetes API routing and mTLS certificates.
Here at Cozystack, we’re once again solving the chicken-and-egg problem: how to deploy CNI and kube-proxy through Flux, while ensuring Flux itself works without CNI and kube-proxy. Flux can be started without CNI and kube-proxy using the flux-aio project (by the creator of Flux), which runs a single deployment with all controllers configured to communicate with each other via localhost. The …