1) Automation
         2) Quality
         3) Monitoring
         4) Testing    with various tools.

         1) Linux - Operating System
         2) Git(Local Server) and GitHub(Central Server) - SCM/VCS
         3) Maven - Build and test
         4) SonarQube - Static code analysis
         5) Fortify - Vulnerabilty check
         6) Jenkins - Continuous Integration & Continuous Delivery
         7) Trivy - Image scanner
         8) Docker - Containerization
         9) Ansible - Configuration management
         10) Kubernetes - Container orchestration
         11) Terraform - Infrastructure as code
         12) Prometheus and Grafana - Monitoring