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Life & fun · June 14, 2019

Slim – Build and run tiny VMs from Dockerfiles

Build and run tiny vms from Dockerfiles. Small and sleek. - ottomatica/slim

Slim – Build and run tiny VMs from Dockerfiles launched on June 14, 2019 with 389 votes, #15 of 2,757 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 7 years on.

Visit github.com ↗Alternativestop 1% of June 2019

In plain words

Slim is a tool that creates minimal virtual machines directly from Dockerfiles. It lets developers build and run lightweight VMs without the overhead of traditional containerization approaches. The tool is designed for those who need efficient virtualization while working with existing Docker configurations. By extracting Dockerfile instructions into optimized VMs, Slim reduces resource consumption and startup time compared to standard container deployments.

written from the facts on this page · September 2026

Does a similar job

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  • slim - Build micro-vms from Dockerfiles2019 · github.com · ▲14

    Build and run tiny vms from Dockerfiles. Small and sleek. - ottomatica/slim

  • Slim 2: Create VM from Dockerfile, boots in seconds (+macOS M1/Hyper-V)2022 · github.com · ▲59

    Build and run tiny vms from Dockerfiles. Small and sleek. - GitHub - ottomatica/slim at 2.x

  • I've built a nice home server OSApr 2026 · lightwhale.asklandd.dk · ▲194

    ohai! I've released Lightwhale 3, which is possibly the easiest way to self-host Docker containers. It's a free, immutable Linux system purpose-built to live-boot straight into a working Docker Engine, thereby shortcutting the need for installation, configuration, and maintenance. Its simple design makes it easy to learn, and its low memory footprint should make it especially attractive during these times of RAMageddon. If this has piqued your interest, do check it out, along with its easy-to-follow Getting Started guide. In any event, have a nice day! =)

  • krunvm – Create and run lightweight VMs from OCI images2021 · github.com · ▲82

    Create microVMs from OCI images. Contribute to slp/krunvm development by creating an account on GitHub.

  • Katakate – Dozens of VMs per node for safe code exec2025 · github.com · ▲124

    I've built this to make it easy to host your own infra for lightweight VMs at large scale. Intended for exec of AI-generated code, for CICD runners, or for off-chain AI DApps. Mainly to avoid Docker-in-Docker dangers and mess. Super easy to use with CLI / Python SDK, friendly to AI engs who usually don't like to mess with VM orchestration and networking too much. Defense-in-depth philosophy. Would love to get feedback (and contributors: clear & exciting roadmap!), thx

  • Lumier – Run macOS VMs in a Docker2025 · github.com · ▲159

    Hey HN, we're excited to share Lumier (https://github.com/trycua/cua/tree/main/libs/lumier), an open-source tool for running macOS and Linux virtual machines in Docker containers on Apple Silicon Macs. When building virtualized environments for AI agents, we needed a reproducible way to package and distribute macOS VMs. Inspired by projects like dockur/windows (https://github.com/dockur/windows) that pioneered running Windows in Docker, we wanted to create something similar but optimized for Apple Silicon. The existing…

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