{ "cleanUrls": true, "directoryListing": false, "etag": true, "headers": [ { "source" : "**/*.html", "headers" : [{ "key" : "Cache-Control", "value" : "no-cache" }] }, { "source" : "**/*.css", "headers" : [{ "key" : "Cache-Control", "value" : "max-age=31536000" }] }, { "source" : "**/*.@(jpg|jpeg|gif|png|webp|svg)", "headers" : [{ "key" : "Cache-Control", "value" : "max-age=31536000" }] } ] }