diff --git a/server/config.js b/server/config.js
index e3e97b2a..4bad58d8 100644
--- a/server/config.js
+++ b/server/config.js
@@ -14,6 +14,11 @@ const conf = convict({
     default: 'localhost',
     env: 'REDIS_HOST'
   },
+  listen_address: {
+  format: 'ipaddress',
+  default: '0.0.0.0',
+  env: 'IP_ADDRESS'
+  },
   listen_port: {
     format: 'port',
     default: 1443,
diff --git a/server/prod.js b/server/prod.js
index 2840f9ec..0515faf7 100644
--- a/server/prod.js
+++ b/server/prod.js
@@ -24,4 +24,4 @@ app.use(
 
 app.use(pages.notfound);
 
-app.listen(config.listen_port);
+app.listen(config.listen_port,config.listen_address);