Onyx (17k+ Stars) - DevOps & Kubernetes

• Critical Fix: Debugged and fixed a CrashLoopBackOff in the Postgres Operator caused by a Helm label mismatch.
• Tools Used: Kubernetes, Helm, CloudNativePG.
• View Pull Request #7397

• Programming: Python (Advanced), JavaScript, C++
• AI Data: Code Annotation, AI Output Refinement, Dataset Curation

🔧 About Me

• 👨‍💻 DevOps Engineer focused on cloud-native development, automation, and scalable infrastructure.
• 🚀 Skilled in AWS, Docker, Kubernetes, Jenkins, Terraform, Ansible, and CI/CD pipeline automation.
• 🧰 Experienced in Linux system administration and scripting (Bash + Python).
• 🌱 Currently improving skills in GitOps, observability (Prometheus, Grafana), and service mesh.
• 🌐 Passionate about cloud computing, open source, and building efficient DevOps pipelines.

• 🔹 EC2 Access Control with VPC, NACLs & Security Groups
  Configured layered network security using AWS Security Groups and NACLs to enforce strict infrastructure governance.

• 🔹 Dynamic React + Vite App Deployment on AWS EC2
  Deployed a production-ready React + Vite app on Apache2, solving routing and asset-loading challenges.

• 🔹 Static & Dynamic Website Hosting on EC2 with Apache & Node.js
  Hosted static HTML and extended functionality using Node.js on a single EC2 instance.

• 🔹 3-Tier MERN App Deployment with Docker Compose
  Containerized a full-stack MERN application and orchestrated multi-service deployment using Docker Compose.

• 🔹 Django App Containerization with Docker
  Packaged and ran a Django application inside a Docker container with proper port mapping for local access.

• 🔹 Go App Docker Image Optimization (636MB → 1.96MB)
  Used multi-stage builds to drastically reduce image size, boosting performance and reducing the attack surface.

• 🔹 GitHub Self-Hosted Runner on AWS
  Configured an EC2 instance to act as a GitHub Actions runner for CI/CD pipelines, including HTTPS-secured inbound communication.

• 🔹 AWS Resource Tracker Script
  Bash script using AWS CLI and jq to report on S3, EC2, Lambda, IAM resources — automated cloud auditing.

• 🔹 Refactored AI-generated Python/JS code for efficiency and readability in deployed applications.

• 🧱 Kubernetes: ConfigMaps, Secrets, Ingress, Services, RBAC, Custom Resources, Minikube, kOps, Kubeshark
• 🧩 IaC Tools: Terraform, Ansible
• 🔁 CI/CD: Jenkins, GitHub Actions, GitLab CI, end-to-end CI/CD pipelines
• 📈 Monitoring: Prometheus, Grafana, CloudWatch
• 🐳 Containers: Docker, multi-container orchestration

• ☁️ AWS Services: EC2, IAM, S3, Lambda
• 🌐 Cloud Networking: VPC, Route53, Auto Scaling, Load Balancers
• 🛠️ Automation: AWS CLI, Bash scripts, infrastructure reporting tools

• 🐧 Linux Administration: user management, system services, logs, monitoring
• 🖥️ Scripting: Bash, Shell, Python

• 🔧 Version Control: Git, GitHub
• 🗂️ Project Management: Jira
• 📝 Documentation: Markdown, Hashnode, technical blogging

• 📘 Terraform on AWS: A Step-by-Step Guide from Basics to Advanced Configurations
• 🔐 Introduction to Passwordless Authentication with Ansible