Docker 101: How I Mastered Docker Build Processes In One Night

Docker Competencies: Part 1/3 (BASIC) From "I've heard of it" to "I can ship it" Task 1: Create a Multi-Stage Build Write a Dockerfile for an app that uses a heavy build image (like node:latest) to install dependencies, but then copies only the necessary production files into a slim runtime image (like node:alpine). The Goal: Compare the final image sizes. Resource: More ways to reduce image size Task 2: The "Bridge Network" Handshake Deploy two containers: an API container (e.g., Flask/Express)