const http = require("http"); const options = { timeout: 2000, host: "localhost", port: process.env.PORT || 8080, path: "/healthz" // must be the same as HEALTHCHECK in Dockerfile }; const request = http.request(options, res => { console.info("STATUS: " + res.statusCode); process.exitCode = res.statusCode === 200 ? 0 : 1; process.exit(); }); request.on("error", function(err) { console.error("ERROR", err); process.exit(1); }); request.end();