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  • Validating Docker Image Pullability without the Docker cli or socket

    posted by

    jfwenisch

    Validating Docker Image Pullability without the Docker cli or socket

    667 words

    When you’re running an uptime monitor, checking whether a container image is actually pullable is a surprisingly deep problem. The naive approach — spinning up a Docker daemon and running docker pull — is heavy, requires socket access, and introduces a serious security risk in most environments. Kairos solves this differently: by speaking directly to the OCI Distribution API, it can validate image pullability with nothing but plain HTTPS calls.

  • Introducing Kairos — Open Source Uptime & Availability Monitoring,

    posted by

    jfwenisch

    Introducing Kairos — Open Source Uptime & Availability Monitoring,

    435 words

    Most uptime monitoring tools force you to choose between a cloud SaaS product with per-check fees, limited retention, and data leaving your network — or a heavy, complex setup that takes hours to configure. Kairos was built to close that gap: a batteries-included solution that runs on your own infrastructure, costs nothing beyond your server, and is up and running in minutes.