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Practical tutorials for the work we actually do. Pick one, read it in order, and apply it.

Any category Programming3 SQL 3 DevOps11 Docker 11
Any topics APIs and Integrations 7 Automation and Scripting 3 Data Structures and Algorithms 2 Databases 11 Deployment and Containers 14 Object-Oriented Programming 3 Packaging and Dependencies 5 Performance Optimization 24 Programming Patterns 10 Security 5 Testing and Debugging 10 Type Systems 14 Web Development 15
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Zero-Downtime Restart With Compose on One Host

Deploy a new version with blue and green copies, a proxy reload and a switch script, and prove no request failed. After this, a deployment on one host does not drop users.

4 min read
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Export an SBOM or Scan Result From a Real Build

Export an SPDX SBOM from a real build, list its packages and scan it with Grype, without a Docker account. After this, you can hand over what is in an image and what was known about it on a given day.

6 min read