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Miren

miren.dev

From $29/mo Free plan WebmacOSLinuxSelf-hosted
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Spec score 8.2 #13 of 38 in Preview Environment Software

What it is

Miren is a container deployment platform for small teams running on Linux servers they control. It can build apps from source or run configured container images, then manage builds, scaling, routing, and TLS. Automatic source detection covers Python, Node, Bun, Go, Ruby, Rust, and Dockerfiles. Apps can declare services such as Postgres, MySQL, Valkey, Memcached, and RabbitMQ. Miren can create a separate preview deployment for each pull request, with configurable expiry; database previews are not supported. GitHub Actions works out of the box for CI/CD deployment, while GitLab CI and CircleCI need manual configuration. The runtime is open source under Apache License 2.0. An Always free plan has no seat limits or metered builds and includes a self-hosted runtime and Miren Cloud. Managed clusters have a 30-day free trial and cost $29 a month for the first six months, then 79 USD per month. Self-hosting requires users to manage their Linux server and its capacity.

Spec sheet

Purpose
Miren is a container deployment platform for small teams that runs on Linux servers they control.Read 29 Sep 2026 · miren.md
Audience
Miren says it is designed for small teams that want a flexible deployment platform without managing platform complexity.Read 29 Sep 2026 · miren.dev
Support
Miren directs users who need help to its Discord community for real-time support.Read 29 Sep 2026 · miren.dev
Company
The privacy policy identifies the company as Miren, Inc., doing business as Miren.Read 29 Sep 2026 · miren.dev
CI integration
GitHub Actions works out of the box for CI/CD deployment, while other OIDC-capable systems such as GitLab CI and CircleCI require manual configuration.Read 29 Sep 2026 · miren.md
Databases and services
Apps can declare services including Postgres, MySQL, Valkey, Memcached, and RabbitMQ.Read 29 Sep 2026 · miren.dev
Deployments
Miren can build apps from source or run a configured container image, then manage builds, scaling, routing, and TLS.Read 29 Sep 2026 · miren.md
Limits
Self-hosting requires a Linux server, and users manage that server and its capacity themselves.Read 29 Sep 2026 · miren.dev
Open source
The runtime that deploys and runs apps is open source under the Apache 2.0 license.Read 29 Sep 2026 · miren.dev
Previews
Miren can create a separate preview deployment for each pull request.Read 29 Sep 2026 · miren.dev
Secrets
Miren stores secrets encrypted at rest and decrypts them into memory when needed; only its built-in cluster secret backend ships today.Read 29 Sep 2026 · miren.md
Supported stacks
Automatic source detection supports Python, Node, Bun, Go, Ruby, Rust, and Dockerfiles.Read 29 Sep 2026 · miren.md

Plans and prices

Always free Free Forever; no credit card required No seat limits · No metered builds · Self-hosted runtime and Miren Cloud Read 29 Sep 2026 · miren.dev
Managed clusters $29 a month For your first six months; $79/month after that 30-day free trial · Cluster provisioned by Miren · Standard VM: 8 GB memory and 100 GB storage Read 29 Sep 2026 · miren.dev

Every Miren plan and price →

Strong points and limits

Strong points

  • Builds from source or runs container images.
  • Supports several languages and service dependencies.
  • Creates pull-request previews with configurable expiry.
  • Runtime is open source under Apache License 2.0.

Limits

  • Self-hosting requires a Linux server.
  • Users manage self-hosted server capacity.
  • Database previews are not supported.
  • GitLab CI and CircleCI need manual configuration.

Who it suits

Miren suits small teams seeking a deployment platform on Linux servers they control, or managed clusters provisioned by Miren. Teams using GitLab CI or CircleCI should account for manual configuration.

Verdict

Miren provides app deployment and pull-request previews, with a free self-hosted option and paid managed clusters. Self-hosters take responsibility for server capacity, while managed pricing rises after the first six months.

Where Specifiction places it

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