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Github Build Free trial

StackTrack Refinery Runners for Github Actions

Managed Build Service for Github Actions — on demand

Accelerate the software development life-cycle on GitHub Actions with ready-to-go on-demand build agents. Build with Containers, Virtual Machines or Kubernetes.

Github Build Free trial
See our Secure by Design approach
stacktrack-buildservice-for-github-actions
Image showing the build service for Github Actions.
Trusted by teams shipping globally
★★★★★4.9/ 5Average rating
Linux FoundationBlackCrowsTOMSISO 27001:2022GDPR
Trusted by teams shipping globally
★★★★★4.9/ 5Average rating
Linux FoundationBlackCrowsTOMSISO 27001:2022GDPR

Containers, VMs, or Kubernetes — built to your spec, managed end-to-end.

Ship faster with runners you control

GitHub-hosted runners are convenient, but they can become a bottleneck when you need predictable performance, private connectivity, or a build environment that isn’t “one size fits all”.

Our Managed GitHub Actions Build Service provides ephemeral build agents matched to your workloads: container runners for standard pipelines, dedicated VMs for isolation and performance, or Kubernetes-backed runners for scale. We tailor runner images, tooling, and runtime dependencies — including multi-architecture builds (x86 and Arm) and OS-specific requirements (Linux, Windows, macOS).

When your pipelines need private access (internal artefacts, registries, test systems), we enable secure connectivity so runners can reach private environments without exposing services to the public internet.

Start with a trial, then expand with add-ons as your teams and pipelines grow.

programming-languages

Scale without bottlenecks

On-demand ephemeral runners

Spin up dedicated agents per job to remove queueing and reduce lead time.

Fit-for-purpose compute

Containers, VMs, or Kubernetes

Choose the execution model that fits your workloads and cost profile.

Cross-OS and architecture

Multi-platform builds

Build on Linux and Windows, with support for x86 and Arm workloads (and macOS where required).

Works with internal systems

Private network connectivity

Let runners reach private services securely for builds, tests, and deploys.

Faster feedback loops

Performance options

Select higher CPU, memory, and fast storage profiles for heavy builds and test suites.

Multi-platform builds

Built to your build spec

Works with most build stacks on GitHub Actions — from JVM and Node to Go, Python and native builds — plus container and IaC workflows.

Trusted by teams shipping globally

Used in production by organisations across retail, healthcare, finance, and open source.

Markel
Linux Foundation
LVMH Digital
Glasswall
cambridge-cognition
Waitrose
TOMS
BlackCrows

  • Fast response, practical fixes

    Support that focuses on unblocking delivery, not passing tickets around.

  • Reliable CI and platform operations

    Managed services designed to stay stable through change.

  • Engineers you can talk to

    Direct access to people who understand the stack end-to-end.

See how we can support your team →

What slows teams down

Common reasons GitHub Actions pipelines start costing time and focus.

  • Runner queueing and delays

    Pipelines stall when teams compete for limited capacity, especially at peak times.

  • “Black box” build environments

    Default runners make bespoke toolchains, system deps, and build isolation harder than it should be.

  • Private dependencies are awkward

    Builds often need internal artefacts and services that shouldn’t be exposed publicly.

  • Multi-platform complexity

    Cross-OS/architecture builds add friction when environments aren’t consistent.

  • Noisy neighbours and variability

    Shared capacity can cause unpredictable build times and flaky test behaviour.

Managed Build Service for GitHub Actions— on demand Pricing & Estimator

Choose the right Github Actions Build Service plan & estimate agent usage by OS, CPU architecture, and size. Pricing is transparent, per hour.

Licensed Plan · Sign up

Standard

Begin with this plan and add on specific agent configurations based on your requirements via the console.

4GB to 32GB Memory2vCPU to 16vCPU (x86 or arm)Operating Systems (Linux or MacOS)Ephemeral Storage
Starting from
0¢
per month

Estimate the costs of the Managed Build Service for Github Actions. Enter your expected monthly hours and we will derive a monthly estimate from the per-minute billing rate.

(e.g. 160 hrs/mo for a typical full working month)

Monthly estimate based on 160 hrs/mo. Updates with your entered hours.

View:
AgentPlatformResourcesUsage ratecents/minMonthly estimatefrom entered hours
2XL Arm Linux Agent Recommended
Linux · ARM · 2XL
16GB · 8 vCPU · 20GBMemory, vCPU, and ephemeral storage
1.13 cents/min
£108.80/mo
Based on 160 hrs/mo
Large Intel Linux Agent
Linux · X86 · Large
8GB · 2 vCPU · 10GBMemory, vCPU, and ephemeral storage
0.28 cents/min
£27.20/mo
Based on 160 hrs/mo
Medium Intel Linux Agent
Linux · X86 · Medium
4GB · 2 vCPU · 5GBMemory, vCPU, and ephemeral storage
0.13 cents/min
£12.80/mo
Based on 160 hrs/mo
XL Arm Linux Agent Recommended
Linux · ARM · XL
16GB · 8 vCPU · 15GBMemory, vCPU, and ephemeral storage
0.57 cents/min
£54.40/mo
Based on 160 hrs/mo
Large Arm MacOS Agent
macOS · ARM · Large
8GB · 2 vCPU · 10GBMemory, vCPU, and ephemeral storage
0.45 cents/min
£43.20/mo
Based on 160 hrs/mo
XL Intel Linux Agent Recommended
Linux · X86 · XL
8GB · 4 vCPU · 15GBMemory, vCPU, and ephemeral storage
0.57 cents/min
£54.40/mo
Based on 160 hrs/mo
Medium Arm Linux Agent
Linux · ARM · Medium
4GB · 2 vCPU · 5GBMemory, vCPU, and ephemeral storage
0.13 cents/min
£12.80/mo
Based on 160 hrs/mo
2XL Intel Linux Agent
Linux · X86 · 2XL
16GB · 8 vCPU · 20GBMemory, vCPU, and ephemeral storage
1.13 cents/min
£108.80/mo
Based on 160 hrs/mo
4XL Intel Linux Agent
Linux · X86 · 4XL
32GB · 16 vCPU · 40GBMemory, vCPU, and ephemeral storage
2.27 cents/min
£217.60/mo
Based on 160 hrs/mo
4XL Arm MacOS Agent
macOS · ARM · 4XL
32GB · 16 vCPU · 40GBMemory, vCPU, and ephemeral storage
3.4 cents/min
£326.40/mo
Based on 160 hrs/mo
Small Intel Linux Agent
Linux · X86 · Small
2GB · 1 vCPU · 5GBMemory, vCPU, and ephemeral storage
0.07 cents/min
£6.40/mo
Based on 160 hrs/mo
Medium Arm MacOS Agent
macOS · ARM · Medium
4GB · 2 vCPU · 5GBMemory, vCPU, and ephemeral storage
0.27 cents/min
£25.60/mo
Based on 160 hrs/mo
XL Arm MacOS Agent
macOS · ARM · XL
8GB · 4 vCPU · 15GBMemory, vCPU, and ephemeral storage
0.85 cents/min
£81.60/mo
Based on 160 hrs/mo
2XL Arm MacOS Agent
macOS · ARM · 2XL
16GB · 8 vCPU · 20GBMemory, vCPU, and ephemeral storage
1.7 cents/min
£163.20/mo
Based on 160 hrs/mo
Large Arm Linux Agent
Linux · ARM · Large
8GB · 4 vCPU · 10GBMemory, vCPU, and ephemeral storage
0.27 cents/min
£25.60/mo
Based on 160 hrs/mo
4XL Arm Linux Agent
Linux · ARM · 4XL
32GB · 16 vCPU · 40GBMemory, vCPU, and ephemeral storage
2.27 cents/min
£217.60/mo
Based on 160 hrs/mo

Supported Tools by Platform

Explore popular languages and DevOps tools commonly used on each platform.

Linux

  • C
  • C++
  • Java
  • NodeJS
  • Javascript
  • Typescript
  • Groovy
  • Scala
  • Kotlin
  • Clojure
  • Python
  • Go
  • Ruby
  • Rust
  • Docker
  • Kubernetes
  • Helm
  • Terraform
  • Bash / Shell

Windows

  • C
  • C++
  • Microsoft .NET
  • C#
  • Visual Basic
  • Java
  • NodeJS
  • Javascript
  • Typescript
  • Groovy
  • Scala
  • Kotlin
  • Clojure
  • Python
  • Go
  • Ruby
  • Rust
  • Docker
  • Kubernetes
  • Terraform

macOS

  • C
  • C++
  • Swift
  • Java
  • NodeJS
  • Javascript
  • Typescript
  • Groovy
  • Scala
  • Kotlin
  • Clojure
  • Python
  • Go
  • Ruby
  • Rust
  • Docker
  • Kubernetes
  • Terraform

Note: We support any tool layouts. Tool availability can vary by environment and configuration. Talk to us if you need something specific.

Frequently Asked Questions

Trusted by leading software-driven organisations.

From retail and healthcare to finance and open source, StackTrack supports organisations building the future of software..

Markel
Linux Foundation
LVMH Digital
Glasswall
cambridge-cognition
Waitrose
TOMS
BlackCrows
See how we can support your team →

Customer proof

Our customers highly rate us.

Read more testimonials
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