trilium/docker_healthcheck.js

const http = require("http");
const ini = require("ini");
const fs = require("fs");
const dataDir = require('./src/services/data_dir.js');
const config = ini.parse(fs.readFileSync(dataDir.CONFIG_INI_PATH, 'utf-8'));

if (config.Network.https) {
    // built-in TLS (terminated by trilium) is not supported yet, PRs are welcome
    // for reverse proxy terminated TLS this will works since config.https will be false
    process.exit(0);
}

const port = require('./src/services/port.js');
const host = require('./src/services/host.js');

const options = { timeout: 2000 };

const callback = res => {
    console.log(`STATUS: ${res.statusCode}`);
    if (res.statusCode === 200) {
        process.exit(0);
    } else {
        process.exit(1);
    }
};

let request;

if (port !== 0) { // TCP socket.
    const url = `http://${host}:${port}/api/health-check`;
    request = http.request(url, options, callback);
} else { // Unix socket.
    options.socketPath = host;
    options.path = '/api/health-check';
    request = http.request(options, callback);
}

request.on("error", err => {
    console.log("ERROR");
    process.exit(1);
});
request.end();