Why I Like Using Docker Compose in Production
1. Why does the author trust Docker Compose in production?
Because it consistently works, stays stable, and has all the features needed for real deployments.
2. Are there real success stories using Docker Compose?
Yes—projects from multi-million-dollar Rails apps to a $90k/month Flask app have run reliably on it.
3. What makes deploying an app hard?
Most work (about 95%) is setting up the Linux server and deployment triggers, not Docker Compose itself.
4. Was Docker Compose always considered production-ready?
Early docs said “not recommended,” but those warnings are gone. The author tested it since 2015 and found it stable.
5. How does the author recommend scaling apps?
Mostly vertical scaling—adding more CPU and RAM, which many cloud providers offer at large capacities.
6. Why isn’t Kubernetes a perfect solution?
It still needs time and compute to spin up new nodes, which can delay scaling and requires complex engineering.
7. How does the author deploy apps?
Using git push with a post-receive hook that triggers scripts for updates, migrations, and container changes.
8. What tools are used in his deployment stack?
Terraform for infrastructure, Ansible for provisioning, Docker for containers, and Git for deployments.
9. Why is this approach easy to reuse across projects?
Because 95% of the commands stay the same, whether the project is Flask, Rails, Node, or a mixed stack.
10. What was one of his first real deployments?
An early Flask course platform that processed payments and delivered a large (~1 GB) downloadable course file.
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