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Sep 27, 2022   |  By Michael Okoko
When you maintain an internal or public-facing API, the API documentation is an important component of the overall user/developer experience. One of the industry standards for such documentation is the OpenAPI specification. With an OpenAPI specification, you define a contract that specifies how your API should behave, but nothing stops the parties involved from breaking such a contract (e.g., using a wrong implementation or invalid input).
Sep 23, 2022   |  By Ben Lloyd Pearson
Welcome to the Fall 2022 edition of Open Source Matters: our regular publication about the latest happenings in open source! Let’s dive into the news.
Sep 22, 2022   |  By Ashley Dotterweich
Resolving the incident is only half the battle when it comes to responding to incidents. For many teams, incident communication is an afterthought, leaving stakeholders inside and outside the organization guessing what happened. But ensuring that important information about the incident is disseminated clearly and quickly is essential.
Sep 20, 2022   |  By Joseph Chege
The concept of containerization helps you run applications as lightweight virtual machines. As a web developer, setting up local development environments can be tiresome. However, using tools like Docker and Kubernetes gives developers an upper hand to quickly set up and deploy applications. This guide uses Docker to deploy a React app to Kubernetes.
Sep 16, 2022   |  By Katie Wiersgalla
Mattermost v7.3 is generally available today. The following new features are included.
Sep 15, 2022   |  By Okoth Pius
In 2011, a Netflix engineering team introduced the concept of chaos engineering with its release of Chaos Monkey. This was initially an in-house tool developed to orchestrate fault injection that Netflix eventually made open source. However, the reliance of Chaos Monkey on Spinnaker, another Netflix engineering innovation, establishes some limitations.
Sep 8, 2022   |  By Nyior Clement
Communication within organizations has evolved from email threads to real-time chats. With the vast potential of real-time messaging, organizations are beginning to explore how they could make these chat applications do more. We now even have a name for this phenomenon — ChatOps. To get a taste of the power of ChatOps in action, let’s build a ChatOps bot that sits in a Mattermost channel with Errbot.
Sep 1, 2022   |  By Chen Lim
We understand how critical a message archive can be to your organization. Empowering you with complete control over your data—including your message history—is a key tenet of our mission here at Mattermost! If you’re part of one of the many teams and communities that use Slack to collaborate – take note: After September 1st, 2022, you will no longer be able to access your Slack message history older than 90 days on your free workspaces.
Aug 25, 2022   |  By Elli Ludwigson
Creating, managing, and tracking high level goals can be incredibly burdensome and complex for organizations with numerous stakeholders and cross-functional collaboration. Team leads and executives manage multitudes of reporting tools and departments while contributors often have little visibility into the process of creating goals or the progress towards achieving those goals.
Aug 23, 2022   |  By Boemo W Mmopelwa
Efficiently retrieving Kubernetes metrics is the beginning of cluster performance optimization. Cluster metrics such as logs and resources descriptions are crucial as they map the health of your cluster. There’s a Kubernetes tool called K9s that lets you access your Kubernetes cluster metrics swiftly using short keys. K9s prioritizes aesthetics and performance as it displays its contents and functions in an aesthetically pleasing UI.
Sep 22, 2022   |  By Mattermost
Take a look at everything new in version 7.3 of Mattermost for Playbooks.
Sep 20, 2022   |  By Mattermost
GitHub rolls out improvements to help OSS developers improve supply chain security, EFF fights blockchain sanctions & more open source news.
Sep 8, 2022   |  By Mattermost
To get a taste of the power of ChatOps in action, let’s build a ChatOps bot that sits in a Mattermost channel with Errbot.
Aug 12, 2022   |  By Mattermost
Let's learn how to set up Mattermost to manage your GitLab CI/CD pipelines.
Aug 5, 2022   |  By Mattermost
A new report from Linux on cybersecurity, a call for open source maintainers to abandon GitHub, and more Open Source News.
Aug 1, 2022   |  By Mattermost
In this tutorial, Mattermost developer advocate Andrew Zigler shares how to set up an observability dashboard for your Kubernetes cluster using Prometheus and Grafana.
Jun 27, 2022   |  By Mattermost
Mattermost CEO and Co-Founder, Ian Tien, took the stage at Collision Conference 2022 in Toronto to divulge some important (and potentially dangerous!) open source security learnings.
Jun 2, 2022   |  By Mattermost
Welcome to the 9th edition of Open Source Matters: our regular publication about the latest happenings in open source! Let’s dive into the news.
May 3, 2022   |  By Mattermost
Welcome to the 8th edition of Open Source Matters: our regular publication about the latest happenings in open source! Dive into OSS news and projects to watch with Mattermost's Ben Lloyd Pearson.
Feb 11, 2022   |  By Mattermost
Playbooks are collaborative checklists for prescribed, repeatable processes, integrated with channels and automations in the Mattermost platform.. You'll create a free account on the Mattermost Community server and get a walk-through of some basic navigation and usage.

Mattermost is an enterprise messaging workspace for teams to collaborate securely and effectively. Our open source platform unifies desktop and mobile messaging, integrating with vital applications to enhance personal productivity, team alignment and organizational competitiveness.

Collaborate securely and privately. Get more done, faster, with team collaboration and messaging that deploys to cloud infrastructure under IT control, as well as on-prem.

Communicate seamlessly at scale. Reach anyone, anywhere on any device. From the airport to data center, safely connect teams with EMM apps, hybrid cloud deployment and enterprise-grade flexibility to meet the unique needs of your enterprise.

Connect your tools & optimize workflows. Integrate with existing applications and build new workflows. Empower your teams—especially operations and DevOps—to perform faster and more effectively than ever before.

Meet your security & compliance needs. Customize Mattermost to eliminate shadow IT and ensure compliance with the unique regional, industry-specific and company-specific requirements facing your organization.

Make your people happy. Empower your teams to bring the speed and ease of messaging from their personal lives to the workplace on a compliant, user-friendly platform under IT control.

Headquartered in Palo Alto, California, we build software for the largest, most sophisiticated organizations worldwide, operating as a global team of staff and contributors across 12 timezones in an inclusive and diverse community.