diff --git a/.env.example b/.env.example
index 4956400..f3e1fa3 100644
--- a/.env.example
+++ b/.env.example
@@ -5,6 +5,9 @@ BACKEND_PORT=3001
 # Client (frontend) port
 CLIENT_PORT=3000
 
+# API port
+API_PORT=8080
+
 # Signal API Configuration
 # URL for the Signal API server (if using Signal tracking)
 SIGNAL_API_URL=http://localhost:8080
diff --git a/docker-compose.yml b/docker-compose.yml
index a0cc642..55907ec 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,7 +40,7 @@ services:
   signal-api:
     image: bbernhard/signal-cli-rest-api
     ports:
-      - "8080:8080"
+      - "${API_PORT:-8080}:8080"
     environment:
       - MODE=json-rpc
     restart: unless-stopped