diff --git a/Dockerfile b/Dockerfile
index f8a7c8c..fd26a5b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # docker build -t gh-trending-api . 
-# docker run -p 8000:8000 gh-trending-api:latest
+# docker run -p 5000:5000 gh-trending-api:latest
 
 FROM python:3.9.2-alpine3.13
 
@@ -19,4 +19,4 @@ RUN apk add --update --no-cache --virtual .build-deps \
 
 COPY ./app ./app
 
-CMD uvicorn app.main:app --host 0.0.0.0 --port $PORT
+CMD uvicorn app.main:app --host 0.0.0.0 --port=${PORT:-5000}