·DevOps
Module 3 Lesson 2: Dockerfile Basics
Master the syntax of the Dockerfile. Learn the core instructions (FROM, RUN, COPY, CMD) needed to turn your source code into a portable Docker image.
4 articles
Master the syntax of the Dockerfile. Learn the core instructions (FROM, RUN, COPY, CMD) needed to turn your source code into a portable Docker image.
Build faster, not harder. Understand how Docker uses caching to skip unnecessary steps and learn how to order your Dockerfile instructions for maximum speed.
Shrink your images by 90%. Learn the multi-stage build pattern to separate your 'Build Environment' (compilers, tools) from your 'Runtime Environment' (app only).
Master the build cache. Learn how to structure your Dockerfile instructions to minimize 'Cache Invalidation' and keep your build times under 5 seconds.