Update environment variables and Docker Compose configuration for frontend port

.env.example

@@ -20,5 +20,5 @@ VITE_APP_LOGO=V
 # ===== RUNTIME VARIABLES =====
 
 # Port to expose the frontend on host machine
-# Default: 3000 (http://localhost:3000)
-CABINET_PORT=3000
+# Default: 3020 (http://localhost:3020)
+CABINET_PORT=3020

docker-compose.yml

@@ -20,9 +20,17 @@ services:
     ports:
       # Маппинг: <хост-порт>:<контейнер-порт>
       # Внутри контейнера nginx слушает на порту 80
-      - "${CABINET_PORT:-3000}:80"
+      - '${CABINET_PORT:-3020}:80'
     healthcheck:
-      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:80/"]
+      test:
+        [
+          'CMD',
+          'wget',
+          '--no-verbose',
+          '--tries=1',
+          '--spider',
+          'http://localhost:80/',
+        ]
       interval: 30s
       timeout: 3s
       retries: 3