Haskell hosting

Run APIs, bots and services in Haskell on Managed Infrastructure. Plans from €2.29 a month.

invoice-api Running
Haskell · banana.fps.ms:25933
[email protected]~ Server marked as starting...
[email protected]~ Server marked as running...
The Glorious Glasgow Haskell Compilation System, version 9.12.4
container~ cd "${RELEASE_DIR:-/home/container}" || exit 1; B="${HS_EXECUTABLE}"; [[ -z "$B" ]] && B=$(ls .fps-build/bin | head -n 1); ./.fps-build/bin/"$B"
Setting phasers to stun... (port 25933) (ctrl-c to quit)
203.0.113.24 - - [04/Nov/2026:12:04:14 +0100] "GET /invoices/1042 HTTP/1.1" 200 - "" ""
198.51.100.7 - - [04/Nov/2026:12:04:19 +0100] "POST /invoices HTTP/1.1" 201 - "" ""
203.0.113.24 - - [04/Nov/2026:12:04:20 +0100] "GET /invoices/1043/pdf HTTP/1.1" 200 - "" ""
Uptime
1m 3s Running
GHC 9.10 and 9.12 Cabal or Stack
24/7 Restarts on crash
EU-hosted Own hardware in the Netherlands
4.1 144 reviews on Trustpilot

Deploy from GitHub Pro feature

  • Let us handle the deployment
  • Including rollbacks
  • Automatically deploy when pushing to your branch
  • Add your own build steps, like cabal test

Environment Variables

  • Add your tokens, API keys and other variables
  • Injected securely into your container at startup
  • Values stay hidden once saved
  • Pre-filled from your project's .env.example

Public URL

  • Run an API or a web dashboard for your project
  • Support for webhooks
  • Securely connected with Let's Encrypt SSL
  • Connect your own domain Pro feature

Also in the panel

Databases Pro feature

Connect your Haskell application to a MariaDB database and store users, invoices and settings.

Schedules

Restart your application every night or send a console command on a timer.

Teams Pro feature

Share your project with your team members and give them granular control over the container.

Usage graphs

Know how many resources your container uses and what your peak times are.

Plans

c.small Recommended
An API with a bigger dependency tree
€2.29
/month
RAM
1GB
CPU 100% = one CPU core
100%
SSD
2.5GB
Backups
1
Databases
1
c.medium
Big projects and faster builds
€3.49
/month
RAM
2GB
CPU 100% = one CPU core
150%
SSD
5GB
Backups
1
Databases
1

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Questions about Haskell Hosting

We've put our frequently asked questions right here, so you have your answers before you even start.

Still have questions or just want to chat?

How do I host a Haskell app 24/7?

Deploy a Container, pick Haskell, upload your Cabal or Stack project, add your Environment Variables and start your server: easy as that! Your app keeps running, even if your computer is offline.

Is this a VPS?

No, FPS.ms does not offer VPS hosting. Your Haskell application runs in a container managed by FPS.ms. This means you never have to update its operating system, install security patches or keep the machine running yourself.

Which GHC versions can I use?

GHC 9.12 and 9.10, and you can switch between them whenever you like.

Cabal or Stack?

Both work. With a .cabal file your server builds with Cabal, otherwise with Stack. If your project has more than one executable, set the one to run in the panel.

How long does the first build take?

The first build compiles all your dependencies, which can take a few minutes. They stay cached on your server, so later builds only compile what changed.

How much memory do I need?

Compiling with GHC takes more memory than running your app. We recommend 1 GB for most projects and 2 GB for big dependency trees.

Can I host a Servant or Scotty API?

Yes! Your API gets its own Public URL with HTTPS, and paid plans can pick the name or connect a domain.

Can I deploy my app from GitHub?

Yes, you can deploy your code directly from GitHub, and even automatically (re)deploy your container when you push to your branch. If something breaks in your code, you can always roll back. GitHub deploys are a Pro feature.

Do plans include a database?

Yes, every plan includes a MariaDB database.

Ready to deploy your Haskell application?

Every plan comes with GitHub deploys, a database and your own domain.