nginx-proxy-manager/backend/validate-schema.js

const SwaggerParser = require('@apidevtools/swagger-parser');
const chalk         = require('chalk');
const schema        = require('./schema');
const log           = console.log;

schema.getCompiledSchema().then(async (swaggerJSON) => {
	try {
		const api = await SwaggerParser.validate(swaggerJSON);
		console.log('API name: %s, Version: %s', api.info.title, api.info.version);
		log(chalk.green('❯ Schema is valid'));
	} catch (e) {
		console.error(e);
		log(chalk.red('❯', e.message), '\n');
		process.exit(1);
	}
});