Update deployment config and docs

docker-compose.dev.yml

@@ -31,7 +31,7 @@ services:
     command: npm run dev
     env_file: .env
     environment:
-      - NODE_ENV=${ENV}
+      - NODE_ENV=development
     networks:
       - infisical-dev
   
@@ -51,8 +51,8 @@ services:
       - ./frontend/components:/app/components
     env_file: .env
     environment:
+      - NEXT_PUBLIC_ENV=production
       - NEXT_PUBLIC_WEBSITE_URL=${SITE_URL}
-      - NEXT_PUBLIC_ENV=${ENV}
     networks:
       - infisical-dev