Learn DOCKER-COMPOSE with Real Code Examples

Install Docker Engine

Install Docker Compose (bundled with Docker Desktop or standalone CLI)

Verify installation with `docker-compose --version`

Create a project directory with `docker-compose.yml`

Run `docker-compose up` to start services

Install Docker Engine

Install Docker Compose CLI

Configure `.env` for environment variables

Create project directory with `docker-compose.yml`

Run and test initial services

docker-compose.yml - main configuration

.env - environment variables

Dockerfile - build custom images

volumes/ - persistent storage

scripts/ - optional helper scripts

docker-compose up

docker-compose down

docker-compose build

docker-compose logs

docker-compose exec

YAML files UTF-8 compatible

Environment variables support multi-language inputs

Service naming is flexible for localization

Docker CLI supports multiple locales

Logs and output can be formatted for international users

CLI accessible via terminal

Docker Dashboard provides GUI access

VS Code Docker extension offers integrated experience

Documentation widely available online

Portable project setup ensures accessibility across systems

CLI-focused tool

No native UI styling

Docker Desktop provides graphical interface for Compose

Logs and container info viewable in Docker Dashboard

Plugins and third-party tools enhance UI visualization

Compose tracks container states

Persistent volumes maintain data across restarts

Networks maintain connectivity between services

`docker-compose ps` shows running services

Stop/start commands maintain container states

Volumes store persistent application data

Environment variables configure service runtime

Logs provide output and debugging information

External services can be linked via networks

Compose supports dynamic configuration per environment