diff --git a/.dockerignore b/.dockerignore
index 762819c..18cabf1 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -5,6 +5,7 @@
 !.env.docker.example
 node_modules
 vendor
+public/build
 storage/logs/*.log
 storage/framework/cache/data/*
 storage/framework/sessions/*
diff --git a/Dockerfile b/Dockerfile
index a1d975e..aae1aea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,26 @@
+FROM composer:2 AS vendor
+
+WORKDIR /app
+
+COPY composer.json composer.lock ./
+
+RUN composer install \
+    --no-dev \
+    --no-interaction \
+    --no-progress \
+    --prefer-dist \
+    --optimize-autoloader
+
+FROM node:22-alpine AS assets
+
+WORKDIR /app
+
+COPY package.json package-lock.json vite.config.js ./
+COPY resources ./resources
+COPY public ./public
+
+RUN npm ci && npm run build
+
 FROM php:8.3-cli-bookworm
 
 WORKDIR /var/www/html
@@ -23,6 +46,10 @@ COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 COPY docker/app/php.ini /usr/local/etc/php/conf.d/99-webgis.ini
 COPY docker/app/entrypoint.sh /usr/local/bin/webgis-entrypoint
 
+COPY . .
+COPY --from=vendor /app/vendor ./vendor
+COPY --from=assets /app/public/build ./public/build
+
 RUN chmod +x /usr/local/bin/webgis-entrypoint
 
 EXPOSE 8000
diff --git a/README.md b/README.md
index 3baa82f..996ae55 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ Repository ini sudah disiapkan untuk jalan lewat Docker Compose:
 - `mysql`: database MySQL 8.4 dengan volume persisten
 - `vite`: hanya untuk development, tidak otomatis jalan saat production deploy
 
+Image `app` sudah self-contained. Source code dan dependency Composer dibangun ke dalam image saat `docker compose build`, jadi tidak perlu bind mount proyek ke `/var/www/html` saat deploy production.
+
 ## SSL Di Coolify
 
 SSL tidak dipasang di container aplikasi. Untuk deploy di Coolify, HTTPS ditangani oleh reverse proxy Coolify dengan sertifikat Let's Encrypt.
@@ -75,7 +77,6 @@ docker compose up --build -d
 
 Entrypoint container `app` otomatis menjalankan:
 
-- `composer install`
 - membuat `.env` dari `.env.docker.example` jika belum ada
 - `php artisan key:generate` jika `APP_KEY` belum ada
 - `php artisan migrate --force`
@@ -202,5 +203,5 @@ Ganti password akun awal setelah deploy.
 - Pastikan `APP_URL` sesuai domain production.
 - Di Coolify, jangan publish host port manual. Set domain ke service `app` dan internal port `8000`.
 - Volume `webgis_mysql_data` menyimpan data MySQL.
-- Folder project dimount ke `/var/www/html`, jadi perubahan file di server langsung terbaca container.
+- Source code sudah masuk ke image saat build, jadi produksi tidak bergantung pada bind mount host ke `/var/www/html`.
 - Jika hosting punya backup volume, backup volume MySQL dan folder project.
diff --git a/docker-compose.yml b/docker-compose.yml
index fb55419..2f63007 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,9 +7,6 @@ services:
     working_dir: /var/www/html
     expose:
       - "8000"
-    volumes:
-      - ./:/var/www/html
-      - webgis_vendor:/var/www/html/vendor
     environment:
       APP_ENV: ${APP_ENV:-production}
       APP_DEBUG: ${APP_DEBUG:-false}
@@ -61,6 +58,5 @@ services:
       start_period: 30s
 
 volumes:
-  webgis_vendor:
   webgis_node_modules:
   webgis_mysql_data:
diff --git a/docker/app/entrypoint.sh b/docker/app/entrypoint.sh
index 465acc6..7a9a57c 100644
--- a/docker/app/entrypoint.sh
+++ b/docker/app/entrypoint.sh
@@ -8,7 +8,8 @@ if [ ! -f .env ] && [ -f .env.docker.example ]; then
 fi
 
 if [ ! -f vendor/autoload.php ]; then
-    composer install
+    echo "vendor/autoload.php is missing. Rebuild the image so Composer dependencies are baked in."
+    exit 1
 fi
 
 php artisan config:clear --no-ansi