Add a Nginx template using a dynamic hostname from .env

docker-compose.yml

@@ -1,15 +1,19 @@
 version: '3'
 services:
     web:
-        image: nginx:latest
-        ports:
-            - "8000:80"
-            - "3000:443"
-        restart: always
+        image: nginx
         volumes:
             - "./etc/nginx/default.conf:/etc/nginx/conf.d/default.conf"
             - "./etc/ssl:/etc/ssl"
             - "./web:/var/www/html"
+            - "./etc/nginx/default.template:/etc/nginx/conf.d/default.template"
+        ports:
+            - "8000:80"
+            - "3000:443"
+        environment:
+            - NGINX_HOST=${NGINX_HOST}
+        command: /bin/bash -c "envsubst '$$NGINX_HOST' < /etc/nginx/conf.d/default.template > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"
+        restart: always
         depends_on:
             - php
             - mysqldb
@@ -49,4 +53,4 @@ services:
         ports:
             - "8989:3306"
         volumes:
-            - "./data/db/mysql:/var/lib/mysql"
+            - "./data/db/mysql:/var/lib/mysql"