Docker from Scratch: Advanced Dockerfile Patterns
Conditional builds with ARG, health checks, cross-platform images, linting, and other Dockerfile patterns for production use.
Conditional builds with ARG, health checks, cross-platform images, linting, and other Dockerfile patterns for production use.
Run containers as non-root users, choose minimal base images, and keep secrets out of your Docker layers.
Use multi-stage Dockerfiles to separate build tooling from your runtime image, cutting image size by 90% or more.
Learn Dockerfile basics — FROM, COPY, RUN, CMD — and build your first container image.