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Dumb-init
Dumb-init

2
12
+ 1
0
Hadolint
Hadolint

7
11
+ 1
0
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Dumb-init vs Hadolint: 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 Hadolint? A Static Analysis Tool for Dockerfiles in Haskell. A smarter Dockerfile linter that helps you build best practice Docker images. The linter is parsing the Dockerfile into an AST and performs rules on top of the AST. It is standing on the shoulders of Shellcheck to lint the Bash code inside RUN instructions.

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

Dumb-init and Hadolint are both open source tools. It seems that Dumb-init with 3.83K GitHub stars and 212 forks on GitHub has more adoption than Hadolint with 2.28K GitHub stars and 99 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 Hadolint?

A smarter Dockerfile linter that helps you build best practice Docker images. The linter is parsing the Dockerfile into an AST and performs rules on top of the AST. It is standing on the shoulders of Shellcheck to lint the Bash code inside RUN instructions.
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          What tools integrate with Dumb-init?
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          What are some alternatives to Dumb-init and Hadolint?
          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.
          See all alternatives
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