René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Documentation tasks for Alpine (musl) x64 promotion to Tier 2","articleBody":"- follows on from https://github.com/nodejs/docker-node/issues/2550\n\n## Current status\n\nNode.js Alpine Linux Docker images that were released after Oct 6, 2026, are based on official Node.js `musl` Tier 2 support builds:\n\n| Node.js | Docker Tier 2 musl since   | PR                                              |\n| ------- | ------- | ----------------------------------------------- |\n| 26.x    | 26.11.0 | https://github.com/nodejs/docker-node/pull/2647 |\n| 24.x    | 24.22.0 | https://github.com/nodejs/docker-node/pull/2652 |\n| 22.x    | 22.23.4 | https://github.com/nodejs/docker-node/pull/2662 |\n\n`node` Docker images for Alpine are built from `\"https://nodejs.org/dist/v\u003cnode-version>/node-v\u003cnode-version>-linux-x64-musl.tar.xz\"`\n- Alpine `x64` images are built using the `x64-musl` build directly\n- Alpine `arm64`, `arm32` and `s390x` images are built from source\n\nUpdate automation does not treat security releases differently and has no need to skip, waiting for `musl` build availability since a `linux-x64-musl` build is available at the same time as other official builds.\n\n## Node.js documentation status\n\nThe Node.js [Platform list](https://github.com/nodejs/node/blob/main/BUILDING.md#platform-list) now shows the following entry:\n\n| Operating System | Architectures | Versions                      | Support Type | Notes            |\n| ---------------- | ------------- | ----------------------------- | ------------ | ---------------- |\n| GNU/Linux        | x64           | kernel >= 6.12, musl >= 1.2.5 | Tier 2       | e.g. Alpine 3.22 |\n\nOther architectures are unlisted, and have no designated support type.\n\n[Official binary platforms and toolchains](https://github.com/nodejs/node/blob/main/BUILDING.md#official-binary-platforms-and-toolchains) lists the following:\n\n| Binary package | Platform and Toolchain    |\n| -------------- | ------------------------- |\n| linux-x64-musl | Alpine 3.23 with Clang 21 |\n\n## Outstanding tasks\n\n- [ ] Update [README](https://github.com/nodejs/docker-node#readme) documentation references to support category and process\n- [ ] Review https://hub.docker.com/_/node#image-variants and related issue https://github.com/nodejs/docker-node/issues/2011\n\nMonitor also:\n- [ ] Tier 2 documentation status backporting status to v24.x\n- [ ] Tier 2 documentation status backporting status to v22.x\n","author":{"url":"https://github.com/MikeMcC399","@type":"Person","name":"MikeMcC399"},"datePublished":"2026-10-24T12:31:33Z","url":"https://github.com/nodejs/docker-node/issues/2666"}