moleculer client ip example. based on https://github.com/moleculerjs/moleculer-web/blob/master/examples/rest/index.js

example-rest-api.js

let path = require("path");
let { ServiceBroker } = require("moleculer");
let ApiGatewayService = require("../../index");

// Create broker
let broker = new ServiceBroker({
	logger: console,
	cacher: "memory",
	metrics: true,
	validation: true
});

// Load other services
broker.loadService(path.join(__dirname, "..", "post.service"));

// Load API Gateway
broker.createService({
	mixins: ApiGatewayService,
	settings: {
		routes: [
			{
				// RESTful aliases
				aliases: {
					"REST posts": "posts"
					/*
				"GET posts": "posts.find",
				"GET posts/:id": "posts.get",
				"POST posts": "posts.create",
				"PUT posts/:id": "posts.update",
				"DELETE posts/:id": "posts.remove"
				*/
				},

				// Disable direct URLs (`/posts/find` or `/posts.find`)
				mappingPolicy: "restrict",

				onBeforeCall(ctx, route, req, res) {
					ctx.meta.clientIp =
						req.headers["x-forwarded-for"] ||
						req.connection.remoteAddress ||
						req.socket.remoteAddress ||
						req.connection.socket.remoteAddress;

					console.log("client ip", ctx.meta.clientIp);
				}
			}
		]
	}
});

// Start server
broker.start();