diff --git a/.env.example b/.env.example
index a8f5074..feb425c 100644
--- a/.env.example
+++ b/.env.example
@@ -2,6 +2,7 @@ APP_PORT=8000
 APP_DEBUG=true
 # 32-byte base64 string
 APP_KEY=
+TRUST_PROXY=::ffff:10.8.0.1
 
 DB_PORT=5432
 DB_HOSTNAME=db
diff --git a/index.js b/index.js
index e8e33fb..c0aea5d 100644
--- a/index.js
+++ b/index.js
@@ -15,6 +15,8 @@ const bodyparser = require('body-parser');
 
 const { APP_PORT } = process.env;
 
+app.set('trust proxy', process.env.TRUST_PROXY);
+
 app.use(bodyparser.json());
 app.use(bodyparser.urlencoded({ extended: true }));
 app.use(require('./middleware'));