ehoandClaude Opus 4.8
7d3a63a7a5
CI / frontend (push) Successful in 1m47s
CI / storybook-a11y (push) Successful in 5m9s
CI / backend (push) Successful in 1m35s
CI / e2e (push) Successful in 2m54s
CI / codeql (csharp) (push) Failing after 2m12s
CI / codeql (javascript-typescript) (push) Failing after 1m30s
CI / api-client-drift (push) Successful in 2m8s
Capture the deferred CI options from the speed pass (708d4c2) so they aren't lost:
node_modules cache to skip npm ci, smaller CI runner image (act_runner label→image,
needs admin; or repo-only container: for node-only jobs), path-filtered jobs, a fast
split lint job, and an optional lean prod backend image. Notes the constraints (CI not
observable from the agent env; compose images aren't used by CI). Added the README row.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
64 lines
3.4 KiB
Markdown
64 lines
3.4 KiB
Markdown
# WP-30 — CI performance follow-ups
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Status: todo
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Phase: follow-on · CI/infra
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## Why
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Tier-1 CI speedups shipped in `708d4c2` (CodeQL off the PR path, Playwright/NuGet caches,
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`npm ci` flags) and the demo web image shrank to `node:24-slim`. These are the remaining
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options that were deliberately deferred — bigger changes, policy calls, or things that need
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Gitea runner-admin access. Revisit once there's an actual CI-timing breakdown to prioritise by,
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or when someone confirms act_runner access.
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Constraint carried over: **CI runs are not observable from the agent's environment** — validate
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any workflow edit by watching a real Gitea run; ship one change at a time so a red run is easy to
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bisect and revert. **The `docker compose` images are NOT used by CI** (CI = Gitea `ubuntu-latest`
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runner image, set on the act_runner host).
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## Read first
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- `.github/workflows/ci.yml` (current 6 jobs + the Tier-1 caches already in place).
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- The `ci-and-local-gate` note (agent memory) — CI traps + what's already done.
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- `docker-compose.yml` (demo images; `node:24-slim` done, dotnet SDK still full).
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## Candidate items (pick per impact once measured)
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1. **Skip `npm ci` install via a `node_modules` cache.** `actions/cache` on `node_modules`
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keyed by `package-lock.json` hash; on a hit, `npm ci` is near-instant across the 4 npm jobs.
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Bigger win than the existing npm-download cache, but a ~777 MB cache with a small staleness
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risk — best if the runner's cache storage is local/fast. Medium effort, low-medium risk.
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2. **Smaller CI runner image.**
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- _Real fix (needs runner admin):_ point act_runner's `ubuntu-latest` (or a new label) at a
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smaller image with node + dotnet preinstalled. Biggest startup win. **Blocked on confirming
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act_runner access.**
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- _Repo-only partial:_ `container: node:24-slim` on the node-only jobs (`frontend`,
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`storybook-a11y`), dropping `setup-node`. Doesn't help the node+dotnet jobs (`e2e`,
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`api-client-drift`, `backend`) — a combined image would need building/pushing (new infra).
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Risky on act_runner, unverifiable locally → stage alone, last.
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3. **Path-filtered jobs.** Skip `backend` on FE-only changes and vice-versa (workflow `paths:`
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or `dorny/paths-filter`). Cuts compute on narrow PRs; watch required-check rules that expect
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every job to report a status.
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4. **Split a fast `lint` job** (lint + format:check + check:tokens) for ~1 min fail-fast
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feedback — only worth it once item 1 (node_modules cache) lands, else it duplicates `npm ci`.
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5. **Lean deployable backend image** (optional, not for the dev demo): multi-stage prod build on
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`mcr.microsoft.com/dotnet/aspnet:10.0` (~220 MB) in a separate `docker-compose.prod.yml`. The
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dev `docker-compose.yml` keeps the SDK image because `dotnet run` hot-reload needs it.
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## Acceptance criteria
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- [ ] Each chosen item verified GREEN on a real Gitea run (watched, since it's not observable
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from the agent env), landed as its own revertable commit.
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- [ ] `npm run ci` still passes locally after any workflow/script change.
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## Out of scope
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- nx/turbo/remote build caching (overkill for this repo size).
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- Rewriting the dev compose into prod images (would lose bind-mount hot reload).
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## Risks
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- Unverifiable-from-agent workflow edits can only be confirmed on the runner — one change per
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commit, revert on red.
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- act_runner-level changes depend on infra access this repo doesn't control.
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