Modern mantras for software developers , DevOps engineers & Architects

1. APPLICATION
DEVELOPMENT
PRINCIPLES
Development-Operations-Security
By Sudheer Kamepalli

2. Developer tools
■ Local IDEs, cloud development environment
■ Local build and test servers, Managed cloud hosting services
■ Environment virtualisation:Vagrant,VMs,Containers

3. Frontend
■ Lightweight opensource frameworks
– Bootstrap, HTML5,Angular etc..

4. StatelessApplication
■ Data persisted locally on client side where possible
■ When needed persist to a database microservice which is de-coupled.

5. Single page application
■ Single load of the web page
■ Chunks of data lookups as per
logic
■ View changes within the page
as per data

6. Server side frameworks
■ Nodejs with express, Koa, or Hapi serving API routes
■ Django/Python
■ Ruby on rails.. Etc
■ Event driven message flows
■ De coupled roles( micrpservices) - Storage, Logging, Load balacing, Reverse proxy

7. Dev-Sec-Ops
■ Shared responsibilities across Development , Security, and operations
■ CI/CD pipeline
– Security scans with every push
– Coding Standards validation: JSLint etc..
– Automated unit testing

8. Operations

9. ■ Containerisation: Docker,Azure container Service, Amazon ECS, Openshift
■ Docker image registry, Azure container registry, local registry
■ Load balancing & Resilience
■ Orchestration Layer: Kubernetes , Rancher, Docker Swarm, DC/OS

10. Deployments
■ On-Prem automated deployments
■ Public cloud infrastructure deployments : AWS,Azure, GCP etc...
■ Private cloud : Openstack,Azure stack etc..
■ A/B testing deployments
■ Tools : Chef, Puppet, Ansible