Best Practices for Production-ready .NET Docker Images

on YouTube ↗33m

" summary

Creates a production-ready .NET Docker image for a small Web API, starting from an 808 MB SDK image then switching to Alpine (drops to ~670 MB) and finally using multi-stage build plus publish trimmed ready-to-run single-file to reach ~80 MB. Uses explicit base tags (avoid latest), caches by copying csproj first, adds a healthcheck (installs curl), switches to a non-root user, and runs Docker Scan — Docker scan showed 60 issues then 0 after updating one vulnerable library and rebuilding.

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" chapters (9)

1. 0:00Introduction and setup
2. 1:53Initial Dockerfile approach
3. 3:40Analyzing image issues
4. 7:25Optimizing base images
5. 11:36Multi-stage build strategy
6. 18:49Build context optimization
7. 22:47Health checks and security
8. 25:42Configuration and environment
9. 27:32Running as a non-root user

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