Rearrange Dockerfile

Dockerfile

@@ -6,16 +6,16 @@ RUN docker-php-ext-install zip
 
 WORKDIR /var/www/html
 
+# Application
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+COPY composer.json composer.json
+COPY composer.lock composer.lock
+RUN composer install --no-dev
+
 COPY public/ public
 COPY src/ src
 COPY app.php app.php
 COPY README.md README.md
-COPY composer.json composer.json
-COPY composer.lock composer.lock
-
-# Application
-COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
-RUN composer install --no-dev
 
 # Apache
 COPY docker/vhost.conf /etc/apache2/sites-available/project.conf