Merge pull request #1319 from FireBurn/localhost

Allow setting host for listener

Author: cblanc

api/config/config.ts

@@ -39,6 +39,7 @@ export interface Config {
   googleAnalyticsKey: string;
   postgres: PostgresConfig;
   log: LogConfig;
+  host: string;
   port: number;
   urlPrefix: string;
   defaults: any;
@@ -61,6 +62,7 @@ const config: Record<Env, Config> = {
       name: "postcodes.io",
       file: "stdout",
     },
+    host: "0.0.0.0",
     port: 8000,
     urlPrefix: "",
     defaults,
@@ -79,6 +81,7 @@ const config: Record<Env, Config> = {
       name: "postcodes.io",
       file: join(__dirname, "../test.log"),
     },
+    host: "0.0.0.0",
     port: 8000,
     urlPrefix: "",
     defaults,
@@ -97,6 +100,7 @@ const config: Record<Env, Config> = {
       name: "postcodes.io",
       file: "perf", // Use pino.extreme
     },
+    host: "0.0.0.0",
     port: 8000,
     urlPrefix: "",
     defaults,
@@ -109,6 +113,7 @@ export const getConfig = (env?: Env): Config => {
   const cfg = config[environment as Env];
 
   const {
+    HOST,
     PORT,
     POSTGRES_USER,
     POSTGRES_PASSWORD,
@@ -124,6 +129,7 @@ export const getConfig = (env?: Env): Config => {
     URL_PREFIX,
   } = process.env;
 
+  if (HOST !== undefined) cfg.host = HOST;
   if (PORT !== undefined) cfg.port = parseInt(PORT, 10);
 
   if (POSTGRES_USER !== undefined) cfg.postgres.user = POSTGRES_USER;

api/server.ts

@@ -4,9 +4,10 @@ const config = getConfig();
 import App from "./app";
 const app = App(config);
 import { logger } from "./app/lib/logger";
+const { host } = config;
 const { port } = config;
 
-const server = app.listen(port);
+const server = app.listen(port, host);
 
 const closeSocket = (_: unknown, socket: any) => {
   if (!socket.destroyed) socket.end("HTTP/1.1 400 Bad Request\r\n\r\n");
@@ -19,6 +20,6 @@ process.on("SIGTERM", () => {
   process.exit(0);
 });
 
-logger.info(`Postcode API listening on port ${port}`);
+logger.info(`Postcode API listening on ${host} port ${port}`);
 
 module.exports = app;