Docker-Images/ci/frontend-builder/README.md

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# Frontend Builder — CI Image
Pre-baked build environment for KollectAI-ETL frontend (SvelteKit) CI jobs and protobuf TypeScript code generation.
## What's included
- Node.js 24 (`node:24-bookworm-slim`)
- pnpm 10 (via corepack)
- [buf](https://buf.build) CLI — for `buf lint` and `buf generate`
- [`@bufbuild/protoc-gen-es`](https://www.npmjs.com/package/@bufbuild/protoc-gen-es) — installed globally so `buf` v2 `local: protoc-gen-es` resolves via PATH (no BSR remote-plugin calls)
- Playwright chromium runtime libraries pre-installed (`libnss3`, `libgbm1`, `libasound2`, etc.)
- **Playwright + chromium browser binary** prebaked at `/ms-playwright` (`PLAYWRIGHT_BROWSERS_PATH=/ms-playwright`) — CI's `pnpm exec playwright install chromium` finds the prebaked binary and skips the ~170MB download every run. Pin must match `frontend/svelte/package.json`'s `@playwright/test` version
- ORAS CLI — for uploading test reports / audit artifacts to Harbor
- `git`, `jq`, `curl`, `unzip`
## Build
```bash
docker build -t 192.168.1.72/kollect-tools/ci/frontend-builder:latest ci/frontend-builder/
docker push 192.168.1.72/kollect-tools/ci/frontend-builder:latest
```
### Build args
| Arg | Default | Description |
|-----|---------|-------------|
| `NODE_MAJOR` | `24` | Node.js major version (matches Node base image) |
| `PNPM_VERSION` | `10.15.0` | pnpm version (corepack-activated) |
| `BUF_VERSION` | `1.55.0` | buf CLI version |
| `PROTOC_GEN_ES_VERSION` | `2.12.0` | `@bufbuild/protoc-gen-es` version (ad-hoc use only — KollectAI-ETL CI uses the version pinned in `proto/pnpm-lock.yaml`) |
| `PLAYWRIGHT_VERSION` | `1.59.1` | Playwright version. Must match `frontend/svelte/package.json` `@playwright/test`; mismatch causes runtime browser re-download |
| `ORAS_VERSION` | `1.2.2` | ORAS CLI version |
## Usage in CI
```yaml
jobs:
test-unit:
runs-on: ubuntu-latest
container:
image: 192.168.1.72/kollect-tools/ci/frontend-builder:latest
steps:
- uses: actions/checkout@v6
- run: pnpm install --frozen-lockfile
working-directory: frontend/svelte
- run: pnpm test
working-directory: frontend/svelte
```
For protobuf TS codegen (`buf.gen.yaml` declares `local: protoc-gen-es`):
```yaml
- name: Generate proto TS bindings
working-directory: proto
run: buf generate
```
For Playwright E2E — the chromium binary is **prebaked**, so CI doesn't need to install it. Just run the tests directly:
```yaml
- name: E2E tests
working-directory: frontend/svelte
run: pnpm test:e2e
```
If a CI step does run `pnpm exec playwright install chromium`, it'll detect the prebaked binary at `$PLAYWRIGHT_BROWSERS_PATH` and exit immediately (no download). System libs are pre-installed, so `--with-deps` is also unnecessary.
## Maintenance
Rebuild on dependency bumps:
- New Node major → bump `NODE_MAJOR`, push image
- pnpm bump → bump `PNPM_VERSION`, push image
- buf protocol changes → bump `BUF_VERSION` and `PROTOC_GEN_ES_VERSION`, push image
The CI workflow's weekly schedule rebuilds the image to keep base layers patched.