Custom deploy process at Utab
Hi! I’m Ilya Sher. This guest post will describe the deploy process at Utab, one of my clients. Background – system architecture summary Utab uses the services architecture. Some services are written in Java, others in NodeJS. Each server has either one Java application or one NodeJS application. The production environment uses (with the exception of load balancing configuration) the immutable server approach. Requirements for the deploy process The client specified the following requirements: Support for staging and production environments Manually triggered deploy for each of the environments Health check before adding a server to load balancing in production environment Option to easily and quickly rollback to previous version in production environment Simple custom tools are to be used ( no Chef/Puppet/… ) Solution background The Utab’s deploy and other scripts were made specifically for the client. Such custom scripts are usually simpler than any ready-made solution. It means they…