For applications without Docker you are able to outline several apps and services inside the Squash YAML file. Then make use of the subdomain port-mapping to associate a microservice endpoint which has a Squash deployment's subdomain for simple conversation between applications. Also, deploying vTiger CRM in Docker provides Increased safety https://press-crm-software19753.bloggerchest.com/32185864/docker-crm-software-secrets