diff --git a/Dockerfile b/Dockerfile
index a6af372..1b9149a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,21 @@
 ### ===============================
-### STAGE 1: COMPOSER
+### STAGE 1: COMPOSER (PHP 8.3)
 ### ===============================
-FROM composer:latest AS composer
+FROM dunglas/frankenphp:1-php8.3 AS composer
 
 WORKDIR /app
+
+# Install PHP extensions DULU
+RUN apt-get update && apt-get install -y \
+    libpng-dev libjpeg-dev libfreetype6-dev \
+    libzip-dev libicu-dev pkg-config \
+ && docker-php-ext-configure gd --with-freetype --with-jpeg \
+ && docker-php-ext-install gd zip intl exif \
+ && rm -rf /var/lib/apt/lists/*
+
+# Install Composer
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+
 COPY composer.json composer.lock ./
 RUN composer install --no-dev --optimize-autoloader --no-interaction
 
@@ -15,7 +27,7 @@ FROM node:20-alpine AS frontend
 
 WORKDIR /app
 
-# COPY vendor dari composer stage
+# Vendor DIBUTUHKAN oleh Filament
 COPY --from=composer /app/vendor vendor
 
 COPY package*.json ./
@@ -30,14 +42,14 @@ RUN npm run build
 
 
 ### ===============================
-### STAGE 3: PHP / RUNTIME
+### STAGE 3: RUNTIME
 ### ===============================
 FROM dunglas/frankenphp:1-php8.3
 
 ENV SERVER_NAME=":80"
 WORKDIR /app
 
-# System deps
+# PHP extensions runtime
 RUN apt-get update && apt-get install -y \
     libpng-dev libjpeg-dev libfreetype6-dev \
     libzip-dev libicu-dev pkg-config \
@@ -45,13 +57,11 @@ RUN apt-get update && apt-get install -y \
  && docker-php-ext-install gd pdo pdo_mysql zip bcmath intl exif \
  && rm -rf /var/lib/apt/lists/*
 
-# Copy app
+# App source
 COPY . .
 
-# Copy vendor
+# Vendor & assets
 COPY --from=composer /app/vendor vendor
-
-# Copy Vite build
 COPY --from=frontend /app/public/build public/build
 
 RUN php artisan optimize:clear