// 10 tips tagged "docker"
Instead of copying a generic Dockerfile and tweaking it for an hour, tell Claude to read your project — the package files, config, build scripts, and runtime requirements — and generate a production-ready Dockerfile that's actually tailored to what your app needs.
Tell Claude to read your application's dependencies, runtime, build steps, and config, then generate a Dockerfile that matches — multi-stage builds, proper layer caching, non-root user, and only the files your app actually needs, all derived from the project itself.
Tell Claude to read your Dockerfile, environment variables, port config, and health check endpoints, then generate properly structured Kubernetes deployment, service, and ingress manifests — so your k8s config matches what your app actually needs.
Unit tests mock the database. Real integration tests talk to one. Testcontainers spins up Docker containers on demand — and Claude can wire the whole setup up for you.
Helm is the standard package manager for Kubernetes, but writing charts by hand is tedious. Claude can scaffold a complete, production-ready Helm chart from your existing setup in seconds.
Bloated Docker images slow CI, increase attack surface, and cost money — paste your Dockerfile and ask Claude to audit it for quick wins.
Describe your project and the commands you run constantly — Claude will write a complete Makefile with phony targets, a help command, and coloured output that makes your workflow self-documenting.
Describe your full stack in plain English and Claude will write a production-ready docker-compose.yml with all services wired up correctly.
Kubernetes YAML is verbose and unforgiving — describe what you need in plain English and let Claude write the manifests.
Tell Claude what your app runs on and it will write a production-ready Dockerfile complete with multi-stage builds and sensible defaults.