Work on cleaning docker image

Dockerfile

@@ -23,9 +23,7 @@ RUN chown -R www-data:www-data /var/www
 
 USER www-data
 
-RUN cd /var/www && \
-    composer install
-    
+RUN cd /var/www
 WORKDIR /var/www/
 
 ENTRYPOINT ["bash", "./docker/docker.sh"]