Docker Compose for Multi-Container Apps
Learn Docker Compose by building a small two-service app — a web API and a Postgres database — defined in a single compose.yaml file and started with one command.
5 posts.
Learn Docker Compose by building a small two-service app — a web API and a Postgres database — defined in a single compose.yaml file and started with one command.
A practical deep dive into how Docker images are stored as layers, how the build cache works, and the real difference between bind mounts and named volumes.
A step-by-step setup guide for Docker on Windows, macOS, and Linux. Install the engine, verify it works, and run your first container in under fifteen minutes.
Learn how to write a Dockerfile from scratch. Understand each instruction, build a real image for a small Node application, and run it as a container.
A clear, no-hype introduction to Docker — what containers actually are, how they differ from virtual machines, and the vocabulary you need before installing anything.