diff --git a/README.md b/README.md
index a969097..d589e45 100644
--- a/README.md
+++ b/README.md
@@ -24,9 +24,9 @@ Launch the app using docker:
 
 ```sh
 docker run -v ~/Code/Mikochi/data:/data \
--p 8080:8080 -e host="0.0.0.0:8080" \
--e data_dir="/data" -e jwt_secret=my_secret \
--e username=root -e password=pass \
+-p 8080:8080 -e HOST="0.0.0.0:8080" \
+-e DATA_DIR="/data" -e JWT_SECRET=my_super_secret \
+-e USERNAME=my_username -e PASSWORD=my_secure_password \
 zer0tonin/mikochi:latest
 ```
 
diff --git a/backend/main.go b/backend/main.go
index a8bddc5..95c9397 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -59,5 +59,8 @@ func main() {
 
 	host := viper.GetString("HOST")
 	log.Print("Listening on " + host)
-	r.Run(host)
+	err := r.Run(host)
+	if err != nil {
+		log.Panicf("Failed to launch web server: %s", err.Error())
+	}
 }