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  4. Runs

Runs

    Every Pulumi Deployment runs in a container image on a workflow runner. Two settings control how that run works:

    • The image: a Pulumi-managed Linux image by default, or a custom image when your project needs extra tools.
    • The runner: Pulumi-hosted by default, or customer-managed when you need to run on your own infrastructure.

    Hardware and operating system

    When a deployment runs on a Pulumi-hosted workflow runner, it executes inside a Linux container with the following resources:

    ResourceAllocation
    vCPU2
    Memory8 GB
    DiskA 32 GB volume, with roughly half available for your program’s working files after the executor image and dependency caches

    With the default executor image, the container’s operating system is Debian, regardless of the operating system of the host it runs on. If you supply a custom executor image, the operating system is whatever that image is built on. If a deployment depends on a specific OS, package manager, or system library, match it to the image you use.

    These specifications apply to Pulumi-hosted workflow runners. Customer-managed workflow runners run on infrastructure you provision, so their hardware and operating system are whatever you configure.