Set HOME=/tmp in Antora image so chromium crashpad can launch#534
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michalharakal merged 1 commit intodevelopfrom Apr 19, 2026
Merged
Set HOME=/tmp in Antora image so chromium crashpad can launch#534michalharakal merged 1 commit intodevelopfrom
michalharakal merged 1 commit intodevelopfrom
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The docs workflow runs the container with `--user $(id -u):$(id -g)`, which has no passwd entry inside the Alpine image. $HOME falls back to `/`, which is read-only for non-root, and chromium's crashpad handler aborts with `chrome_crashpad_handler: --database is required` — surfacing as "Failed to launch the browser process" from puppeteer and making every mermaid block render as the error literal. Pin HOME=/tmp in the image so the crashpad DB has a writable parent. Same root cause already worked around for Antora's cache via runtime.cache_dir in antora-playbook.yml. Also clean up the mode-0700 root-owned dirs that puppeteer/chromium drop into /tmp during the build-time smoke test — otherwise the runtime non-root user EACCES on cosmiconfig walking /tmp/.config/puppeteer. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
chrome_crashpad_handler: --database is required→Failed to launch the browser process.--user $(id -u):$(id -g), which has no passwd entry inside the Alpine image.$HOMEfalls back to/(read-only for non-root), so chromium's crashpad handler cannot create its default DB.HOME=/tmpin the image, plus clean up the mode-0700 root-owned dirs that the build-time smoke test drops into/tmp(otherwise the runtime non-root user EACCES oncosmiconfigwalking/tmp/.config/puppeteer). Same root cause is already worked around for Antora's cache viaruntime.cache_dirinantora-playbook.yml.Test plan
--no-cachemmdcagainst the failingflowchart LRsnippet under--user $(id -u):$(id -g)→ produces a valid SVG (10.5 KB) instead of the crashpad errormermaid-errorliterals)🤖 Generated with Claude Code