chore(docker): move WORKDIR declaration earlier and reorder steps

Set working directory before copying files to avoid potential conflicts with host files. Also reorder Dockerfile steps for better logical flow and maintainability.

Dockerfile

@@ -1,5 +1,8 @@
 FROM php:8.4-fpm
 
+# Set working directory early to avoid conflicts with host files
+WORKDIR /var/www
+
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
     git \
@@ -24,15 +27,13 @@ RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 # Get latest Composer
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 
-# Set working directory
-WORKDIR /var/www
-
-# Copy existing application directory contents
+# Copy application files
 COPY --chown=www-data:www-data . /var/www
 
 # Change current user to www
 USER www-data
 
-# Expose port 8000 and start php-fpm server
+# Expose port 8000
 EXPOSE 8000
+
 CMD ["php", "artisan", "serve", "--host=0.0.0.0", "--port=8000"]