Docker Tutorial — Part 9: Real-World Docker Usage
Docker is not just a learning tool.
It runs production systems used by millions.
Typical Docker Workflow
- Developer builds Docker image
- Image pushed to registry
- Server pulls image
- Container runs
Docker with CI/CD
Docker integrates with pipelines like:
- GitHub Actions
- GitLab CI
- Jenkins
docker build -t myapp .
docker push myrepo/myapp
Docker + Cloud
- AWS EC2
- AWS ECS
- Google Cloud Run
- Azure Container Apps
Why Companies Love Docker
- Consistent environments
- Fast deployments
- Easy scaling
- Reduced bugs
Docker vs Virtual Machines
Containers are lighter, faster,
and easier to manage than full virtual machines.
What Comes After Docker?
Once systems grow,
Docker is combined with Kubernetes.
Next, we start the DevOps roadmap
and connect Docker with automation.
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