project-chip / project-chip/certification-tool
wifi_container image (and other TH images) still build on Ubuntu 22.04 instead of 24.04
@ksperling-apple is already working on this.
Since Sep 16, 2026.
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Description
Follow-up from review discussion on project-chip/certification-tool-backend#370: https://github.com/project-chip/certification-tool-backend/pull/370#discussion_r4028331002
@greens-apple noted that wifi_container/Dockerfile builds on ubuntu:22.04 for both the builder and runtime stages:
FROM ubuntu:22.04 AS builder
...
FROM ubuntu:22.04 AS runtime
24.04 is the actual target platform for the Test Harness, and the SDK image has already moved to 24.04. The other TH images (backend, frontend, etc.) are also still on 22.04.
Not a functional blocker (per the original comment, "not that it makes a huge difference"), but worth tracking as a follow-up to align all Test Harness images on 24.04 for consistency with the SDK image and the actual deployment target.
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