diff --git a/docker-compose.yml b/docker-compose.yml
index f1caef3..3acc36b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,8 @@
 services:
   curry_addiction_nginx:
-    image: nginx:latest
+    build:
+      context: .
+      dockerfile: ./docker/nginx/Dockerfile
     container_name: curry_addiction_nginx
     volumes:
       - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
diff --git a/docker/nginx/Dockerfile b/docker/nginx/Dockerfile
index 81e2296..9d65bed 100644
--- a/docker/nginx/Dockerfile
+++ b/docker/nginx/Dockerfile
@@ -2,8 +2,9 @@ FROM nginx:1.27-alpine
 
 ENV TZ=Asia/Tokyo
 
-RUN echo "${TZ}" > /etc/timezone \
-   && dpkg-reconfigure -f noninteractive tzdata
+RUN apk add --no-cache tzdata \
+   && cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime \
+   && echo "Asia/Tokyo" > /etc/timezone
 
 # nginx config file
 COPY ./docker/nginx/*.conf /etc/nginx/conf.d/
diff --git a/frontend-user/src/views/pages/Dashboard/Setting/Index.vue b/frontend-user/src/views/pages/Dashboard/Setting/Index.vue
index 0dbe47b..d1c92eb 100644
--- a/frontend-user/src/views/pages/Dashboard/Setting/Index.vue
+++ b/frontend-user/src/views/pages/Dashboard/Setting/Index.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import axios from 'axios';
+import imageCompression from 'browser-image-compression';
 import { ref, computed, onUnmounted } from 'vue';
 import { useRouter } from 'vue-router';
 import { useAccountStore } from '@/stores/account';
@@ -59,11 +60,38 @@ function closeModal(): void {
   document.body.style.overflow = 'auto';
 }
 
-function handleFileSelected(event: Event): void {
+async function handleFileSelected(event: Event) {
+  const compressionOptions = {
+    maxSizeMB: 1, // 最大1MB
+    maxWidthOrHeight: 1920, // 縦横最大1920px
+    useWebWorker: true,
+    initialQuality: 0.7 // 70%くらいの品質にする
+  };
+
   const target = event.target as HTMLInputElement;
-  if (target.files && target.files.length > 0) {
-    fileInfo.value = target.files[0];
-    preview.value = URL.createObjectURL(fileInfo.value);
+
+  if (!target.files || target.files.length === 0) return;
+
+  try {
+    const originalFile = target.files[0];
+
+    if (!originalFile.type.startsWith('image/')) {
+      fileInfo.value = originalFile;
+      preview.value = URL.createObjectURL(originalFile);
+      return;
+    }
+
+    // 画像を圧縮
+    const compressedFile = await imageCompression(originalFile, compressionOptions);
+
+    fileInfo.value = compressedFile;
+    preview.value = URL.createObjectURL(compressedFile);
+  } catch (error) {
+    console.error('画像の圧縮中にエラーが発生しました:', error);
+    commonStore.setErrorMessage('画像の処理に失敗しました');
+    setTimeout(() => {
+      commonStore.clearErrorMessage();
+    }, 4000);
   }
 }
 
diff --git a/laravel/app/Providers/AppServiceProvider.php b/laravel/app/Providers/AppServiceProvider.php
index b33c16c..2715ebe 100644
--- a/laravel/app/Providers/AppServiceProvider.php
+++ b/laravel/app/Providers/AppServiceProvider.php
@@ -2,8 +2,9 @@
 
 namespace App\Providers;
 
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\URL;
 use Illuminate\Support\ServiceProvider;
-// use App\Auth\AdministratorEloquentUserProvider;
 use Laravel\Sanctum\Sanctum;
 
 class AppServiceProvider extends ServiceProvider
@@ -22,11 +23,9 @@ public function register(): void
      */
     public function boot(): void
     {
-        // Auth::provider(
-        //     'administrator_eloquent_user_provider',
-        //     function ($app, array $config) {
-        //         return new AdministratorEloquentUserProvider($app['hash'], $config['model']);
-        //     }
-        // );
+        // 本番環境では強制的にhttps接続
+        if (App::environment('production')) {
+            URL::forceScheme('https');
+        }
     }
 }