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Add --host flag, listen on 127.0.0.1 by default

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The server previously bound to all interfaces with no auth. Default to
loopback so it sits behind a reverse proxy; --host (or JOB_BOARD_HOST)
overrides it. Plain HOST is ignored since some environments set it to
the machine hostname.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
nikola
2026-10-12 21:43:34 +02:00
co-authored by Claude Opus 5.5
parent beac32469c
commit 784c3c5220
3 changed files with 21 additions and 8 deletions
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scrapper/src/main.ts
+7 -3
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@@ -1,10 +1,10 @@
// Entry point (also used by the compiled binary):
// job-board [serve] [--port <n>] start the web server (scrapes every 24h)
// job-board scrape run all scrapers once and exit (exit code 1 if any failed)
// job-board [serve] [--host <addr>] [--port <n>] start the web server (scrapes every 24h)
// job-board scrape run all scrapers once and exit (exit code 1 if any failed)
export {};
const USAGE = "Usage: job-board [serve] [--port <n>] | job-board scrape";
const USAGE = "Usage: job-board [serve] [--host <addr>] [--port <n>] | job-board scrape\n --host address to listen on (default 127.0.0.1; 0.0.0.0 = all interfaces)\n --port port to listen on (default 3000)";
function fail(message: string): never {
console.error(`${message}\n${USAGE}`);
@@ -20,6 +20,10 @@ for (let i = 0; i < args.length; i++) {
const port = Number(value);
if (!Number.isInteger(port) || port < 1 || port > 65535) fail(`Invalid port "${value ?? ""}".`);
process.env.PORT = String(port); // read by server.ts; overrides the PORT env var
} else if (arg === "--host" || arg.startsWith("--host=")) {
const value = arg.startsWith("--host=") ? arg.slice("--host=".length) : args[++i];
if (!value || value.startsWith("-")) fail(`Invalid host "${value ?? ""}".`);
process.env.JOB_BOARD_HOST = value; // read by server.ts; overrides the env var
} else if (arg === "--help" || arg === "-h") {
console.log(USAGE);
process.exit(0);