Jawher Kl JawherKl

## table-pattern.md

      
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Pattern
Use Case
Languages


Singleton
Global config management
Java, PHP, JS, Go


Observer
Event-driven systems
Java, PHP, JS, Go


Strategy
Algorithm swapping
All 4


Factory Method
Object creation
Java, PHP, JS, Go


## devops-table.md

      
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Category
Key Tools
Why It Matters


Containers
Docker, Podman
Consistent environments from dev to prod


Orchestration
Kubernetes, Docker Swarm
Auto-scaling and self-healing apps


IaC
Terraform, Pulumi
Version-controlled infrastructure


CI/CD
GitHub Actions, ArgoCD
Automated testing + deployments


## feature-table-node.md

      
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Feature
Tech Used
Benefit


JWT Authentication
jsonwebtoken
Secure endpoints with stateless auth


Swagger API Docs
swagger-ui-express
Auto-generated interactive documentation


Unit Testing
mocha + chai
90%+ test coverage for reliability


Modular MVC
Express.js
Clean separation of concerns
Pattern	Use Case	Languages
Singleton	Global config management	Java, PHP, JS, Go
Observer	Event-driven systems	Java, PHP, JS, Go
Strategy	Algorithm swapping	All 4
Factory Method	Object creation	Java, PHP, JS, Go
Category	Key Tools	Why It Matters
Containers	Docker, Podman	Consistent environments from dev to prod
Orchestration	Kubernetes, Docker Swarm	Auto-scaling and self-healing apps
IaC	Terraform, Pulumi	Version-controlled infrastructure
CI/CD	GitHub Actions, ArgoCD	Automated testing + deployments
Feature	Tech Used	Benefit
JWT Authentication	`jsonwebtoken`	Secure endpoints with stateless auth
Swagger API Docs	`swagger-ui-express`	Auto-generated interactive documentation
Unit Testing	`mocha` + `chai`	90%+ test coverage for reliability
Modular MVC	Express.js	Clean separation of concerns