Added environment variable for app port

docker-compose.yml

@@ -32,6 +32,7 @@ services:
       dockerfile: Dockerfile
     restart: always
     environment:
+      - APP_PORT=8000
       - DB_HOST=db
       - DB_USERNAME=root
     ports:

php/entrypoint.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+composer install
+composer update
+php artisan migrate
+php artisan serve --port=$APP_PORT --host=0.0.0.0