5 Docker Scenarios Every Developer Should Practice (With Fixes & Best Practices)

The guide walks developers through five common Docker problems and their fixes to improve debugging, storage handling, security, and deployment readiness.

It covers broken image builds, data persistence with volumes, Docker Compose startup dependencies, security hardening, and production-ready image setup.

Example commands and fixes show how to build smaller, safer, and more reliable containers in real deployments.

The scenarios use familiar tools and settings such as Docker, Dockerfile, docker compose, PostgreSQL, Flask, nginx, and python:3.12-slim.