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Solve your most complex infrastructure and application problems. From platform integration to major projects, our software is used by teams across the globe. We specialize in distributed systems and API-centric services written in Go and Elm.

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Drive organizational productivity and business agility with cloud and container technology. Developers skip bureaucracy and roadblocks with automated build, test and release environments. Empower your Ops teams to launch complex cloud deployments in minutes. Automate processes throughout the enterprise—from secret management to disaster recovery.


Asteris partners with other forward-thinking organizations to create tools that make cloud development and operations easier. We publish the results of these collaborations as open source to provide access to developers and cloud operators. Our partnerships provide our clients with support for their DevOps practices and a helping hand moving forward.

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Recent Blog Posts

Extending Converge

// Rebecca Skinner

In this article on extending Converge, we’ll walk through the process of developing a brand new Converge resource from scratch. We’ll go into detail on the resource authors’ API and building a resource that’s safe and usable. This article was generated from a literate program, you can download the original orgmode document if you want to build the examples yourself.

Update: 2017-01-06

This article was updated on 2017-01-06. The How Resource Work section has been updated to use the updated Resource Authors API.

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Introducing Converge

// Steven Borrelli // Converge

We’re delighted to introduce our newest project, Converge. Converge is a configuration management tool that makes it easy to configure servers, desktops, and Raspberry Pi devices.

Converge manages apt and rpm packages, files, directories, docker images and containers, and the Linux LVM subsystem. The CLI, modules, and API server are all bundled in a single 11Mb binary file, making it easy to deploy and run.

Converge is powered by a sophisticated graph execution engine that automatically creates dependencies and runs tasks in parallel. Internally, the desired state of a system is represented as a directed graph.

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Consul ACLs – an Introduction

// Steven Borrelli // Consul

HashiCorp’s Consul is a popular service discovery and key/value storage tool that has become a core component of many distributed applications.

However, if Consul is not secured an intruder could register their own service and capture traffic. For example, if you have an auth service, the intruder could register another service with the same DNS entry auth.service.consul and collect login information.

Consul does not implement access controls on the key-value data or service discovery endpoints by default. This means anyone (including intruders) are able to connect to a Consul host, register services, and modify data.

But don’t despair! Consul has an Access Control List (ACL) system that can be used to control who can read and write data. This means we can keep intruders from registering services without authenticating to the Consul server.

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