@cyrilsebastian
Cyril Sebastian
@cyrilsebastian
*/25 * * * * sleep 5m
New Delhi, IndiaJoined October 2024
About
I’m Cyril Sebastian, a DevOps and Cloud Infrastructure architect with 10+ years of experience building, scaling, and securing cloud-native and hybrid systems. I specialize in automation, cost optimization, observability, and platform engineering across AWS, GCP, and Oracle Cloud. My passion lies in solving complex infrastructure challenges—from cloud migrations to Infrastructure as Code (IaC), and from deployment automation to scalable monitoring strategies. I blog here about:
Cloud strategy and migration playbooks Real-world DevOps and automation with Terraform, Jenkins, and Ansible DevSecOps practices and security-first thinking in production Monitoring, cost optimization, and incident response at scale
If you're building in the cloud, optimizing infra, or exploring DevOps culture—let’s connect and share ideas! 🔗 linkedin.com/in/sebastiancyril
Available for
I am available for technical consulting and collaborations focused on Cloud, DevOps, SRE, and strategic infrastructure planning.
Recently published
Building Production Email Infrastructure with Postfix + AWS SES: Architecture & Design
Mar 7 · 11 min read · Part 1: Architecture & Design Decisions Series NavigationPart 1: Architecture & Design ← You are herePart 2: Implementation GuidePart 3: Operations & Troubleshooting TL;DR What we're building: A pr
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Run Docker Remotely with Portainer Instead of Docker Desktop
Jul 28, 2025 · 3 min read · Managing Docker remotely, especially on a Linux server, is a powerful alternative to using Docker Desktop on your local machine. In this guide, we’ll walk through how to: Host and manage Docker containers remotely. Use Portainer as a graphical inte...
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Self-Hosted Streaming with Jellyfin and ngrok – A Personal Weekend Project
Jul 8, 2025 · 4 min read · It all started with a simple need — I wanted to watch some old movies and personal family videos stored on my desktop. My niece had also backed up a bunch of vacation clips from her phone onto my machine, and now that she’s back home, I needed an eas...
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Planning a Cloud Migration? 10 Lessons from Production Cutovers
Jun 27, 2025 · 5 min read · Moving a production-grade application serving millions of daily users from one cloud provider to another is a high-stakes operation. After executing a complete GCP to AWS migration—including 21TB of data, MongoDB replica sets, MySQL clusters, and Apa...
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