Dumb-init vs Microcontainers

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Dumb-init
Dumb-init

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Microcontainers
Microcontainers

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Dumb-init vs Microcontainers: What are the differences?

What is Dumb-init? A minimal init system for Linux containers, by Yelp. dumb-init runs as PID 1, acting like a simple init system. It launches a single process and then proxies all received signals to a session rooted at that child process. Since your actual process is no longer PID 1, when it receives signals from dumb-init, the default signal handlers will be applied, and your process will behave as you would expect. If your process dies, dumb-init will also die, taking care to clean up any other processes that might still remain.

What is Microcontainers? Tiny, Portable Docker Containers. A Microcontainer contains only the OS libraries and language dependencies required to run an application and the application itself. Nothing more. Rather than starting with everything but the kitchen sink, start with the bare minimum and add dependencies on an as needed basis.

Dumb-init and Microcontainers can be primarily classified as "Container" tools.

Dumb-init and Microcontainers are both open source tools. It seems that Dumb-init with 3.8K GitHub stars and 211 forks on GitHub has more adoption than Microcontainers with 1.56K GitHub stars and 137 GitHub forks.

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What is Dumb-init?

dumb-init runs as PID 1, acting like a simple init system. It launches a single process and then proxies all received signals to a session rooted at that child process. Since your actual process is no longer PID 1, when it receives signals from dumb-init, the default signal handlers will be applied, and your process will behave as you would expect. If your process dies, dumb-init will also die, taking care to clean up any other processes that might still remain.

What is Microcontainers?

A Microcontainer contains only the OS libraries and language dependencies required to run an application and the application itself. Nothing more. Rather than starting with everything but the kitchen sink, start with the bare minimum and add dependencies on an as needed basis.
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            What tools integrate with Dumb-init?
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            What are some alternatives to Dumb-init and Microcontainers?
            Kubernetes
            Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
            Docker Compose
            With Compose, you define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running.
            Rancher
            Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
            Docker Swarm
            Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.
            Docker Machine
            Machine lets you create Docker hosts on your computer, on cloud providers, and inside your own data center. It creates servers, installs Docker on them, then configures the Docker client to talk to them.
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