LibreChat/api/server/utils/staticCache.js

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const express = require('express');
const oneWeekInSeconds = 24 * 60 * 60 * 7;
const sMaxAge = process.env.STATIC_CACHE_S_MAX_AGE || oneWeekInSeconds;
const maxAge = process.env.STATIC_CACHE_MAX_AGE || oneWeekInSeconds * 4;
const staticCache = (staticPath) =>
express.static(staticPath, {
setHeaders: (res) => {
if (process.env.NODE_ENV.toLowerCase() !== 'production') {
return;
}
res.setHeader('Cache-Control', `public, max-age=${maxAge}, s-maxage=${sMaxAge}`);
},
});
module.exports = staticCache;