Coolify vs Dokploy vs Heroku: Self-Hosted PaaS (2026)

I run open-source implementations at Mith Tech in Bengaluru, and I set up both Coolify and Dokploy for clients who want their apps — dashboards, automation tools, databases, ERP stacks — on infrastructure they actually control instead of a locked cloud. Honestly, the hardest part is not the tool; it is deciding whether your team wants to own the server at all, because that choice, not the dashboard, is what you live with.

What is a self-hosted PaaS, and why compare these three?

A self-hosted PaaS is software you install on your own server that recreates the "push code, get a live URL" experience of a hosted cloud — building containers, issuing SSL, and running databases for you. Coolify and Dokploy are two leading open-source options; Heroku is the managed original that made the workflow famous.

The comparison matters because the three answer the same need in opposite ways. Coolify and Dokploy give you the developer experience on hardware you own and administer. Heroku gives you the same convenience but runs on the vendor's cloud, and you never see the machine. For a hands-on look at the self-hosted route, our guide to self-hosting apps with Coolify walks through a full install.

Skimmable summary: Coolify and Dokploy are free, self-hosted PaaS tools you own; Heroku is a managed cloud where the vendor runs everything for you.

How do Coolify and Dokploy differ under the hood?

Architecture is the clearest dividing line between the two open-source options. Coolify runs a broad Docker-based platform with optional multi-server and Docker Swarm support, a proxy you can back with Traefik or Caddy, and a huge catalogue of prebuilt services. Dokploy is built natively on Docker Swarm with Traefik as its reverse proxy from the start.

That design choice shapes everything downstream. Dokploy leans lighter and treats multi-node clustering as a first-class feature, which suits teams that want high availability without Kubernetes complexity. Coolify leans broad and batteries-included, with 280+ one-click services covering databases, CMS platforms, observability stacks, and AI inference engines. Both support the familiar buildpack and Dockerfile workflows.

You can read how we position each as part of a stack on our Coolify and Dokploy pages.

Skimmable summary: Coolify is broad and batteries-included with 280+ services; Dokploy is lighter and built natively on Docker Swarm for straightforward clustering.

Which self-hosted PaaS is easier to set up and run?

Both install in minutes with a single script and give you a clean web dashboard, so neither is genuinely hard to start. Dokploy is often described as the faster first run because of its focused feature set and lighter footprint, while Coolify trades a slightly larger surface for far more built-in options out of the box.

Ease of running long term depends on what you deploy. For a single team shipping a handful of apps, Dokploy's smaller footprint leaves more server resources for your workloads. For a business that wants databases, a CMS, automation tools, and monitoring from one place without hunting for images, Coolify's catalogue saves real time. Both give you Git auto-deploy, automatic Let's Encrypt SSL, and scheduled backups.

Skimmable summary: Both install fast; Dokploy feels lighter to start and run, while Coolify saves time when you need many services from one dashboard.

Where does managed Heroku still make sense?

Heroku still makes sense when you want zero infrastructure to own. As a managed cloud, it runs the servers, patches, and scaling for you, so a small team with no ops capacity can ship without ever touching Linux. The trade-off is a proprietary platform, higher long-term cost, and no control over where data physically lives.

Two facts shape the 2026 picture. Heroku removed its free tiers back in 2022, so the easy on-ramp that made it famous is gone. And under Salesforce, the platform has shifted toward a maintenance-focused footing, prioritising stability over new features. For established apps already running there, it remains dependable; for new projects weighing control and cost, self-hosting has become the more common answer.

Skimmable summary: Managed Heroku fits teams wanting zero server ownership, but its free tiers are gone and the platform is now maintenance-focused, pushing new projects toward self-hosting.

Which self-hosted PaaS should you choose in 2026?

Match the tool to your priority, not the hype. Choose Coolify when you want the widest ready-made catalogue, a large community for troubleshooting, and one dashboard for apps, databases, and services. Choose Dokploy when you value a light footprint, native Docker Swarm clustering, and a focused feature set. Choose Heroku only when you refuse to own a server.

For Indian SMBs, self-hosting often wins on data residency and predictable cost — you pay only your provider (pricing varies by provider — check their official page). If you run something business-critical like an ERP, the same discipline applies: many teams run ERPNext and other Frappe-based stacks on their own infrastructure through exactly these tools.

Skimmable summary: Coolify for the biggest ecosystem, Dokploy for a light Swarm-native platform, Heroku for zero server ownership — pick by priority, not popularity.

Frequently asked questions

Is Coolify or Dokploy better?

Neither is universally better; they suit different priorities. Coolify offers the larger service catalogue (280+ one-click options) and a bigger community, making it strong for teams that want many built-in services. Dokploy is lighter and built natively on Docker Swarm, which suits teams that prioritise low resource usage and straightforward multi-node clustering. Both are free and open source under Apache 2.0.

Are Coolify and Dokploy free?

Yes. Both are fully open source under the Apache 2.0 licence, with no per-app or per-user fee for the software itself. You pay only for the server or VPS you run them on, whose pricing varies by provider and should be checked on the provider's official page. There is no proprietary licence tier gating core features on either platform.

Can Coolify or Dokploy replace Heroku?

For most workloads, yes. Both recreate Heroku's core experience — Git push to deploy, automatic SSL, managed databases, and a web dashboard — on servers you own. The difference is responsibility: you administer the underlying machine, including updates and backups. Teams wanting the Heroku workflow without the managed cost or lock-in commonly move to one of these self-hosted options.

Do Coolify and Dokploy handle SSL and backups?

Yes to both. Each issues and renews free Let's Encrypt certificates automatically when you attach a domain and point its DNS at your server. Both also support scheduled backups — Coolify targets S3-compatible object storage for databases, and Dokploy backs up databases and persistent volumes to external storage. Always test a restore before you depend on either.

What are the minimum server requirements?

Both run on a modest Linux VPS. Coolify's official minimum is 2 CPU cores, 2 GB RAM, and around 30 GB of disk, and it uses roughly 1 GB of RAM itself. Dokploy is lighter, with a smaller idle footprint, so it leaves more resources for your applications. For real production workloads on either, add headroom on RAM and fast NVMe disk.

Which is best for hosting ERPNext or Frappe apps?

Both can host containerised Frappe workloads, and many teams run ERPNext on their own infrastructure this way. A production ERP has specific worker, scheduler, and backup needs that go beyond a default deploy, so the right topology matters more than the dashboard you choose. Our Frappe and ERPNext team can advise on a reliable setup.

If you would rather have someone choose between Coolify and Dokploy, harden the server, and wire up dependable backups, get in touch — it is the same care we bring to every open-source stack we run.