Remove Nginx gateway - let Coolify Traefik handle reverse proxy routing

docker-compose.yaml

@@ -1,20 +1,8 @@
 version: '3.8'
 
 services:
-  # 1. Nginx Gateway Reverse Proxy
-  gateway:
-    build:
-      context: ./docker/nginx   # Build from our custom Dockerfile
-    container_name: gis_gateway
-    ports:
-      - "${HOST_PORT_GATEWAY:-80}:80"
-    depends_on:
-      - php-app
-      - next-app
-    networks:
-      - gis-network
-
-  # 2. PHP + Apache Web App (for Root Portal, SPBU, Parsil, and Chloropleth)
+  # 1. PHP + Apache Web App (for Root Portal, SPBU, Parsil, and Chloropleth)
+  # Coolify's Traefik reverse proxy routes traffic to this service via the domain set in Coolify UI.
   php-app:
     build: ./docker/php
     container_name: gis_php_app
@@ -30,7 +18,8 @@ services:
     networks:
       - gis-network
 
-  # 3. Next.js App Service
+  # 2. Next.js App Service
+  # Coolify's Traefik reverse proxy routes traffic to this service via the domain set in Coolify UI.
   next-app:
     build: ./docker/nextjs
     container_name: gis_next_app
@@ -48,7 +37,7 @@ services:
     networks:
       - gis-network
 
-  # 4. MySQL Database Service
+  # 3. MySQL Database Service
   db:
     image: mysql:8.0
     container_name: gis_db
@@ -63,7 +52,7 @@ services:
     networks:
       - gis-network
 
-  # 5. phpMyAdmin (Database Management Web UI)
+  # 4. phpMyAdmin (Database Management Web UI)
   phpmyadmin:
     image: phpmyadmin:latest
     container_name: gis_phpmyadmin