+++ fix

docker/php/Dockerfile

@@ -39,11 +39,30 @@ RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# Set working directory
-WORKDIR /var/www/html
+# Build application in staging area
+WORKDIR /app-src
 
-# Copy application code to staging area
-COPY . /app-src/
+# Install PHP dependencies first for better Docker layer caching
+COPY composer.json composer.lock ./
+RUN composer install --no-interaction --prefer-dist --no-progress --no-scripts
+
+# Install Node dependencies first for better Docker layer caching
+COPY package.json package-lock.json* ./
+RUN if [ -f package-lock.json ]; then \
+        npm ci --no-audit --no-fund; \
+    else \
+        npm install --no-audit --no-fund; \
+    fi
+
+# Copy full source and build frontend assets
+COPY . .
+RUN mkdir -p bootstrap/cache storage/framework/cache storage/framework/sessions storage/framework/views storage/logs storage/app
+RUN if [ ! -f .env ] && [ -f .env.example ]; then cp .env.example .env; fi
+RUN composer dump-autoload --optimize --no-interaction
+RUN npm run build
+
+# Runtime working directory
+WORKDIR /var/www/html
 
 # Copy PHP configuration
 COPY docker/php/php.ini /usr/local/etc/php/conf.d/custom.ini