Docker from zero to hero: images, containers and your first run
What Docker is, images, containers and registries, how containers differ from VMs, installing it, running and managing your first container, and image tags.
Tag: Docker
4 entries
Docker from zero to hero: Compose, debugging and cleanup
Running the app and its database from one compose.yaml with health checks, the Compose commands, a debugging toolbox, freeing disk space, and habits for production images.
Docker from zero to hero: a Dockerfile for your own app
Containerizing a small Node app: writing a Dockerfile and .dockerignore, building and running it, layers and the build cache, multi-stage builds, and CMD versus ENTRYPOINT.
Docker from zero to hero: ports, volumes and networks
Connecting containers to the world: publishing ports safely, volumes, bind mounts and tmpfs, user-defined networks for containers that talk by name, and passing configuration and secrets.