The self-hosted HackMD application let several people edit the same Markdown note in a browser. Markdown is a plain-text way to express headings, lists and other formatting, making it useful for shared meeting notes or technical documentation. The service kept the collaboration and stored notes in one place. Its history branches into CodiMD and HedgeDoc alongside the separate commercial HackMD service, so identify the installed application before choosing an upgrade.
Deployment and operating notes
The archived chart points to the HackMD community-era repositories. HedgeDoc’s history explains the later CodiMD naming and community fork, while the commercial HackMD service developed separately. These names are related but do not identify one interchangeable database or deployment package.
Find the running image publisher and version, then preserve the database, uploaded files, authentication configuration and session secrets. HedgeDoc’s migration documentation explicitly limits the older versions it expects to migrate safely and warns that more recent CodiMD versions are not guaranteed. Use that version-specific guidance rather than replacing the image blindly. Test collaborative editing by multiple users, note permissions, uploads, history and external login on a private restored instance. Check reverse-proxy WebSocket and forwarded-protocol behavior. Keep the source instance read-only during final migration and retain a matching backup for rollback. A successful home page does not establish that private notes, user identities or active editing sessions migrated correctly.
Historical upstream link check · 2026-10-09
The recorded upstream address responded successfully (HTTP 200) on 2026-10-09. GitHub confirms that helm/charts is archived: this is a historical chart distribution, not evidence that the application itself is retired. Link availability does not certify the historical installation instructions or current security support.
Website availability is separate from project, chart and image support. Use the current guidance and primary sources on this page to assess the distribution.
Historical Kubedex content
Preserved for context. Commands, versions, prices and results below reflect the original research.
HackMD is a realtime, multi-platform collaborative markdown note editor. This means that you can write notes with other people on your desktop, tablet or even on the phone. You can sign-in via multiple auth providers like Facebook, Twitter, GitHub and many more.
This chart bootstraps a HackMD deployment on a Kubernetes cluster using the Helm package manager. It also packages the PostgreSQL which is required for bootstrapping a PostgreSQL deployment for the database requirements of the HackMD application.
Prerequisites
- Kubernetes 1.8+
- PV provisioner support in the underlying infrastructure
Supported Modes
Desktop & Tablet
- Edit: See only the editor.
- View: See only the result.
- Both: See both in split view.
Mobile
- View: See only the result.
- Edit: See only the editor.
Technical Documentation Writing
Knowledge are generated throughout the entire life cycle of your project. From problem discovery to product delivery, your project is forged through many insightful chats and many decisions made. Too often you find your notes all over the place yet you cannot locate the specific detail you need. The project is an entirety, so should your documentation be. HackMD is the only tool you need for technical documentation.
Documentation Collaborated
Documentation IS conversation. It is a conversation between you and your colleagues and the future you. Create the document when and where the conversation happens. Record all discussions and pivots while the idea flows and resonates.
Context Captured
Add context to your points instantly with PDFs, images, and videos. With automatic save, every bit of editing is captured and everyone’s contribution is attributed to their names. Easily revert back to previous edition if needed.
Native Markdown
If you write in markdown, why change for your tools? With HackMD, all your writings would be in markdown and portable to any platform. No more jammed formatting when copy-paste. You can even “write” flow charts, math formulae, and graphviz!
Technical Sharing and Presentation
Knowledge won’t last until it is written. Written knowledge are meant to be shared. HackMD helps you do sharing right, not only documentation but also presentation. HackMD removes the overheads and hassles so you could share and learn more, and more often.
Turn Notes into Slides
Create slides with ease in HackMD. Just add some dividers and you’re good to go on stage. HackMD features a presenter view with timer and deck overview. Customize theme and animations in markdown. Skip some branched slides when time is running out!
Sources & further reading
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