Bash is a Unix shell written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell (sh). wikipedia.org

Docker is an open-source project that automates the deployment of applications inside software containers, by providing an additional layer of abstraction and automation of operating-system-level virtualization on Linux. wikipedia.org

Terraform provides a common configuration to launch infrastructure

Jenkins, previously known as Hudson, is an open source continuous integration tool written in Java. wikipedia.org

Continuous integration (CI) implements continuous processes of applying quality control small pieces of effort, applied frequently. Continuous integration aims to improve the quality of software, and to reduce the time taken to deliver it, by replacing the traditional practice of applying... wikipedia.org

A database management system (DBMS) is a software package with computer programs that control the creation, maintenance, and use of a database. It allows organizations to conveniently develop databases for various applications by database administrators (DBAs) and other specialists. wikipedia.org