Archive

Author: jfwenisch

  • Meet Proxera: a self-hosted alternative to Cloudflare Tunnel

    Proxera is a self-hosted reverse tunnel platform designed to expose private services without opening inbound ports, while keeping infrastructure ownership and routing control in the operator’s hands. It positions itself as an alternative to Cloudflare Tunnel by using the same outbound-connection model, but without depending on Cloudflare’s managed edge and account model. For teams running…

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  • Validating Docker Image Pullability without the Docker cli or socket

    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…

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  • Introducing Kairos — Open Source Uptime & Availability Monitoring,

    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,…

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