When containerizing Python web applications for production, developers often produce heavy, insecure images containing compilers, headers, and root execution privileges.
This post demonstrates how to build a hardened, multi-stage Docker container utilizing a non-root runtime environment, health check verification, and OCI image metadata.
The Production Dockerfile
This multi-stage Dockerfile uses python:3.11-slim-bookworm to separate building dependencies from runtime execution:
# ==============================================================================
