Fix Coolify compose networking and local Docker override

docker-compose.yml

@@ -3,10 +3,10 @@ services:
     build: .
     container_name: spota-app
     restart: unless-stopped
-    ports:
-      - "${APP_PORT:-8080}:80"
+    expose:
+      - "80"
     environment:
-      APP_URL: ${APP_URL:-http://localhost:8080}
+      APP_URL: ${APP_URL:-http://localhost}
       DB_HOST: ${DB_HOST:-db}
       DB_USER: ${DB_USER:-spota_user}
       DB_PASSWORD: ${DB_PASSWORD:-spota_password}
@@ -19,8 +19,8 @@ services:
       PHP_DISPLAY_ERRORS: ${PHP_DISPLAY_ERRORS:-1}
       FILES_STORAGE_PATH: ${FILES_STORAGE_PATH:-/var/www/html/files}
     volumes:
-      - ./files:/var/www/html/files
-      - ./img:/var/www/html/img
+      - spota_files:/var/www/html/files
+      - spota_img:/var/www/html/img
     depends_on:
       db:
         condition: service_healthy
@@ -35,10 +35,8 @@ services:
       MYSQL_USER: ${DB_USER:-spota_user}
       MYSQL_PASSWORD: ${DB_PASSWORD:-spota_password}
       MYSQL_DATABASE: ${DB_NAME:-spota_spotadb}
-    ports:
-      - "${DB_PORT:-3307}:3306"
     volumes:
-      - db_data:/var/lib/mysql
+      - spota_db_data:/var/lib/mysql
       - ./docker/mysql-init:/docker-entrypoint-initdb.d:ro
       - ./spota_db:/spota_db:ro
     healthcheck:
@@ -48,4 +46,6 @@ services:
       retries: 20
 
 volumes:
-  db_data:
+  spota_db_data:
+  spota_files:
+  spota_img: