~/dockerField Guide
Advanced CI/CD Pipeline with GitHub Actions and Docker
Build a production-ready CI/CD pipeline with GitHub Actions and Docker, including secure image promotion, caching, rollout gates, and rollback strategy.
7 min read
Readblog~/field-guides
Field guides from production
Practical, long-form guides on AWS, Kubernetes, Docker, CI/CD, observability and production infrastructure, alongside the LinkedIn posts that started them. Written by a DevOps engineer who runs these systems for a living.
- 81 posts
- 22 field guides
- 59 LinkedIn archive posts
- 11 categories
01~/featured
Featured guides
Long-form DevOps walkthroughs written for search, reuse and implementation.
~/kubernetesField Guide
Kubernetes Auto Scaling Explained with Example
Understand Kubernetes auto scaling with a practical example covering HP VP Cluster Autoscaler, metrics, and the common tuning mistakes teams make.
7 min read
Read~/dockerField Guide
How to Secure Docker Containers in Production
Learn how to secure Docker containers in production with hardened images, non-root users, runtime controls, secret handling, and supply-chain checks.
7 min read
Read02~/archive
Archive highlights
Short-form LinkedIn posts, lessons and technical snapshots from the original archive.
~/awsLinkedIn Post
How I reduced AWS networking costs by 93% while removing public attack surface
I recently tackled a common but expensive challenge in AWS: the hidden cost of public IPv4 addresses. In a setup with dozens of ECS Fargate tasks, my "In-use Public IP" charges...
1 min read100
Read~/devopsLinkedIn Post
Most DevOps problems aren't tech problems - They're organizational chaos wearing a YAML hoodie
Most "DevOps problems" aren't tech problems. They're just organizational chaos wearing a YAML hoodie. We love to buy tools to fix culture. It never works. If you want to actuall...
1 min read90
Read~/careerLinkedIn Post
You Can Get LinkedIn Premium FREE for 1 Year!
Take your professional growth to the next level. Get one full year of LinkedIn Premium at no cost through eligible Microsoft 365 bundles. The perfect way to level up your profes...
1 min read60
Read~/careerLinkedIn Post
We're hiring a UI/UX Designer - Jalandhar, Punjab (On-site)
We're hiring a UI/UX Designer We're looking for a creative UI/UX Designer to help shape meaningful digital experiences. Location: Jalandhar, Punjab (On-site) Interested? Apply d...
1 min read50
Read~/devopsLinkedIn Post
git commit -m 'New portfolio live' - CLI-themed DevOps portfolio
$ git commit -m "New portfolio live." I wanted a portfolio that actually reflects my day-to-day work, so I built a CLI-themed portfolio to showcase my DevOps projects. It was bu...
1 min read331
Read~/aiLinkedIn Post
AI Made Us Faster. Now Who Protects the Code?
In today's AI world, almost everyone is using AI to write code. The feature runs. The API responds. The UI looks fine. So we assume the code is good. But here's the uncomfortabl...
1 min read82
Read04~/author
About this blog
I'm Mojahid-Ul Haque, a DevOps Engineer in New Delhi, India, currently pursuing an M.Tech in Cloud Computing at BITS Pilani. This site keeps the original LinkedIn archive intact while extending it with deeper implementation guides on delivery engineering, Kubernetes, observability, AWS architecture, cost control and production reliability.
- AWS Certified DevOps Engineer – Professional
- 3× AWS Certified
- M.Tech Cloud Computing · BITS Pilani
- DevOps Engineer