Dockerfile updated

Dockerfile

@@ -48,6 +48,6 @@ RUN chmod 0600 /opt/keys/*; \
     
 COPY docsis/custom_mibs /usr/share/snmp/mibs/
 
-CMD rm var/cache/*/ -rf ;\
-    composer run-script post-install-cmd --no-interaction ;\
+CMD rm -rf var/cache/*/ ; \
+    composer install -n --no-progress ; \
     php-fpm7.0 -F -R -O