Mar 9 · 9 min read · My team's internal tooling cluster hit a wall in late January. We had about 20 services running across two Docker hosts — managed manually with docker-compose and a lot of wishful thinking. One host was at 80% memory constantly. In December alone we ...
Join discussionJan 4 · 4 min read · In the previous blog, you built a strong foundation in Docker understanding images, containers, Dockerfiles, networking, volumes, and Docker Hub. Now it’s time to level up 🚀 Modern applications are not single containers. They are made of multiple se...
Join discussion
Dec 28, 2025 · 4 min read · Docker Stack is basically the power of Docker Compose + Docker Swarm combined. Docker Compose lets you run multiple services (like frontend, backend, database, etc.) on a single host. Docker Swarm lets you run a single service across multiple hosts...
Join discussionDec 27, 2025 · 6 min read · We have already seen how Docker Compose helps us run multiple services on a single host. But what happens if that single server goes down? The entire application goes offline, leading to downtime. Since everything is running on one machine, availabil...
Join discussionSep 21, 2025 · 2 min read · Why this module? Until now, we’ve been running containers individually with Docker. But in real-world production, we often need: Multiple containers working together. Scaling containers up or down depending on demand. Automatic recovery if a conta...
Join discussionSep 2, 2025 · 4 min read · Docker Compose made it simple to run multi-container applications on a single machine.But as your application grows, you need scalability, resilience, and multi-node orchestration. That’s where Docker Swarm steps in — Docker’s built-in clustering and...
Join discussion
Aug 11, 2025 · 3 min read · When we talk about container orchestration in production, high availability is not a “nice to have” — it’s a necessity. Imagine you have a single manager node in your Docker Swarm cluster, and it goes down. Without redundancy, your orchestration lay...
Join discussion
Aug 6, 2025 · 3 min read · In this 17th part of our Docker journey, we go beyond single-host containers and dive into the magic that makes multi-node communication, security, and stack-level orchestration possible. Concepts Covered in This Session Bridge vs Overlay Networks ...
Join discussion
Jul 26, 2025 · 3 min read · When you're running applications inside Docker containers, it's easy to forget that everything still depends on the host machine's health. What if your OS crashes? What if you're limited by the CPU/RAM on that single system? That's where Docker Swarm...
Join discussion