Setting Up a Production CI/CD Pipeline for a Python/Django App

Short summary

A practical walkthrough of a four-job GitHub Actions CI/CD pipeline for Django: dependency vulnerability checking, multi-stage Docker build with GHCR push, Trivy image scanning, and SSH-based zero-downtime deploy. The multi-stage Dockerfile compiles native extension wheels in a builder stage and installs only pre-built wheels in a non-root runtime stage for reproducible, secure production images.

• •Four-job pipeline: dependency check, build & push, image scan, deploy
• •Multi-stage Docker build separates wheel compilation from runtime for smaller images
• •Runtime stage installs only pre-built wheels with no internet access for reproducibility

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