Skip to main content
Development

Containers Are Amazing — Until They Aren't

👨‍💻
Shivaling Sannalli
Quality Engineering Lead
August 10, 2024
6 min read
DockerDevOpsDevelopmentContainersLocal Development

It began beautifully. `docker-compose up` and my entire application came alive—database, cache, services, all working together. No "works on my machine" problems. I was in love with Docker.

Then things changed. My laptop fans started screaming. Apps crawled. I spent more time managing containers than writing code. This is that story.

Phase 1: The Love Phase

❤️ Docker Magic

😍

Honeymoon Period

  • ✅ `docker-compose up` - Everything just works
  • ✅ No environment setup headaches
  • ✅ Consistent across team members
  • ✅ Easy to replicate production environment
  • ✅ Clean, isolated development

"This is amazing! Why didn't I use Docker sooner?"

Phase 2: The Pain Phase

😰 When Reality Hits

🔥

The Slowdown

  • ❌ Laptop fans constantly screaming
  • ❌ 8GB+ RAM consumed by containers
  • ❌ Hot reload taking 10+ seconds
  • ❌ Database queries slower than molasses
  • ❌ `docker-compose down` deleting volumes accidentally
  • ❌ More time debugging Docker than code

"I'm not using Docker anymore—I'm managing it."

The Shopping Mall Analogy

Phase 3: The Realization Phase

💡 Finding Balance

The Solution

Install common, stable tools locally. Use Docker only when you need it.

My Rule of Thumb

📏 When to Use Containers

Conclusion

Docker isn't the problem—overusing it is. Containers are a tool, not a religion.

Use Docker where it empowers you. Skip it when it slows you down. Sometimes the best solution is the simplest one: running software directly on your machine.

Now I have both scripts ready. When I need containers, they're there. When I need speed, I go local. Balance is the key.

About the Author

👨‍💻
Shivaling Sannalli
Quality Engineering Lead

Expert in quality engineering, test automation, and DevOps practices

View Medium Profile
Working on this?

We do this for a living.

If this article describes a decision you are making right now, bring it to a Blueprint Session — a working session, not a sales call.