Containers as a Service

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CaaS sits between a VPS and a PaaS: the customer supplies a container image and the provider schedules it, runs it and restarts it, without detecting a language or building anything. That makes it the most portable arrangement in the register — the same image runs anywhere — and the one that hands the most back. Everything inside the image is the customer’s, security updates included, which is why records here answer self-managed even though nobody rents a server: an image is still yours to rebuild. What the provider actually operates is the scheduler and the host underneath it. The deployment method is a container image.

19 providers are containers as a service, listed alphabetically. Across 37 countries.

A

Aruba.it
An Italian provider that owns its data centers and sells registrar services, hosting, servers and a public cloud.

B

Back4App
Managed Parse Server backend with an auto-generated REST and GraphQL API, plus a container platform that builds and runs Docker images from GitHub.

D

Divio
Divio is a Swiss platform-as-a-service that runs Dockerised applications of any stack, deployed from git.

E

E2B
A cloud API that starts isolated Linux microVMs on demand, for an AI agent to run code in.

H

Hostim
Hostim is a Docker-first platform-as-a-service from Germany, deploying container images, Git repositories and Compose files onto bare metal in the EU.
One we like
Huawei Cloud
Huawei's public cloud, selling virtual servers, managed Kubernetes, serverless functions and GPU instances.

K

Koyeb
French platform that deploys containers and repositories across global regions with scale-to-zero, per-second billing, GPUs and serverless Postgres.

M

mittwald
German managed hosting platform with per-project containers, a control plane called mStudio, an official CLI and a public REST API.

N

Nebius
Amsterdam-based AI cloud selling GPU and CPU virtual machines, managed Kubernetes and Slurm, serverless GPU containers and a model API.
nine
A Swiss provider selling managed Kubernetes, managed and root servers, databases and object storage, all from data centers in Zurich.
Northflank
British platform running containers, jobs and managed databases on its own cloud, in the customer's cloud account, or on a self-hosted Kubernetes cluster.

R

Runpod
US GPU cloud renting containerized GPU Pods, serverless GPU endpoints and hosted model APIs.

S

SaladCloud
Container platform that runs customer images on idle consumer GPUs contributed by a distributed network of home and small-business machines.
SiteHost
New Zealand host that owns its Auckland data center and sells Cloud Containers, a product that runs prebuilt or custom Docker images.
Sliplane
German Docker hosting that bills for the server rather than the container, so unlimited services can share one machine, with managed Postgres and S3 storage.

V

Vast.ai
US marketplace where independent hosts rent out GPU machines as containers or virtual machines at prices they set.
Verda
Finnish GPU cloud selling GPU virtual machines, multi-node clusters and serverless containers from data centers in Helsinki.

W

Webslice
New Zealand host that sells a container platform on virtual machines at a fixed monthly price and a metered serverless PHP platform built on AWS.

Z

Zeabur
Container platform that reads a git repository, works out what kind of project it is and deploys it without a configuration file.

Who is the best Containers as a Service provider?

Hard to say without knowing the project. A free tier matters for a side project and barely at all for a shop that loses money every minute it is down. Read a few records side by side; the guide says where to start.