Different VirtualHosts with the same port
Add different ServerName directive in all virtual hosts:
<VirtualHost *:80> ServerName dev.localhost DocumentRoot /home/projects/smk/cms ErrorLog /var/log/apache2/smk-cms-error.log</VirtualHost><VirtualHost *:80> ServerName my-project.localhost DocumentRoot /home/projects/smk/deploy ErrorLog /var/log/apache2/smk-deploy-error.log</VirtualHost>Don't forget to add host-entries for dev.localhost and my-project.localhost in /etc/hosts to 127.0.0.1 or whatever ip you want it to point to.
ServerName my-project.localhost DocumentRoot /home/projects/smk/deploy ErrorLog /var/log/apache2/smk-deploy-error.log
//Try adding Error document
ErrorDocument 404 404.html
There is a need to create a feedback in your application.