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Maurice
c6b6b83d38
Portainer's recreate and a copied run config carry the previous image's APP_VERSION into a container built from the new one, so the server kept announcing the old release and clients never handed over to the new bundle. The Dockerfile now writes the version into server/VERSION, which the server reads before APP_VERSION, and prerelease bundles take their version from the same build argument.
34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
import { readFileSync } from 'node:fs';
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import { resolve } from 'node:path';
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/**
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* The version the Docker image was built as, from the `VERSION` file the
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* Dockerfile writes next to `server/package.json`.
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*
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* It wins over the APP_VERSION env var because an env var belongs to the
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* container, not to the image. Portainer's "recreate" and `docker run` with a
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* copied config carry the previous image's APP_VERSION into a container built
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* from the new one, so the server kept announcing the old release and no client
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* ever handed over to the new bundle. A file inside the image cannot outlive it.
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*
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* Read once: the file is part of the image and does not change while the
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* process runs. `null` outside an image (source checkout, tests), where the env
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* var and package.json keep deciding as before.
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*/
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let cached: string | null | undefined;
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export function imageVersion(file = resolve(__dirname, '../../VERSION')): string | null {
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if (cached !== undefined) return cached;
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try {
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cached = readFileSync(file, 'utf8').trim() || null;
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} catch {
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cached = null;
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}
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return cached;
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}
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/** Test seam: forget the cached read. */
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export function resetImageVersion(): void {
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cached = undefined;
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}
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