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Add single-binary build and --port flag

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bun build --compile bundles the app and Bun runtime into bin/job-board
(plus linux-x64/arm64 targets). New src/main.ts entry: serve (default)
or 'scrape' once, with --port/-p overriding PORT. A compiled binary
stores its database in data/ next to the executable.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
nikola
2026-10-12 21:37:34 +02:00
co-authored by Claude Opus 5.5
parent ad2fa2b775
commit beac32469c
5 changed files with 94 additions and 6 deletions
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scrapper/README.md
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@@ -18,13 +18,53 @@ No runtime dependencies. It uses Bun's built-in SQLite, HTTP server and HTMLRewr
```sh
bun install
bun start # http://localhost:3000
bun start # http://localhost:3000
bun start --port 8080 # or -p 8080
```
The server scrapes every 24h. On startup it waits out the rest of the 24h since the last scrape (or scrapes right away if none happened in the last 24h).
You can also click **Scrape now** in the UI, or run `bun run scrape` once (e.g. from cron).
Env vars: `PORT` (3000), `SCRAPE_INTERVAL_HOURS` (24), `DB_PATH` (`data/jobs.sqlite`).
Env vars: `PORT` (3000; `--port` overrides it), `SCRAPE_INTERVAL_HOURS` (24), `DB_PATH` (`data/jobs.sqlite`).
## Build a binary for a server
`bun build --compile` bundles the app and the Bun runtime into one executable (~90 MB), so the
server doesn't need Bun or `node_modules`:
```sh
bun run build # bin/job-board for this machine
bun run build:linux-x64 # bin/job-board-linux-x64
bun run build:linux-arm64 # bin/job-board-linux-arm64 (e.g. Raspberry Pi, ARM VPS)
```
On the server:
```sh
./job-board # web server on :3000, scrapes every 24h
./job-board --port 8080
./job-board scrape # scrape once and exit (exit code 1 if a scraper failed)
```
The database goes to `data/jobs.sqlite` next to the binary (override with `DB_PATH`).
The binaries target glibc Linux; for Alpine use `--target=bun-linux-x64-musl`, and for old CPUs
without AVX2 use `--target=bun-linux-x64-baseline`.
Example systemd unit (`/etc/systemd/system/job-board.service`):
```ini
[Unit]
Description=Job board
After=network-online.target
[Service]
ExecStart=/opt/job-board/job-board --port 3000
Restart=on-failure
User=jobboard
[Install]
WantedBy=multi-user.target
```
## UI