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By Kevin McAleer, 2 Minutes
Docker Compose is an invaluable tool for developers working with applications that require running multiple Docker containers. It simplifies the process of defining and running multi-container Docker applications, using a single YAML file for configuration.
The heart of Docker Compose is the YAML file where you define your application’s services, networks, and volumes.
Example service definition:
version: '3.8' services: web: image: nginx:latest ports: - "80:80"
Volumes: Specify persistent storage for your containers.
services: db: image: postgres:latest volumes: - db-data:/var/lib/postgresql/data volumes: db-data:
Docker Compose not only defines how your containers should run but also offers commands to manage them easily.
docker-compose up
docker-compose.yml
docker-compose ps
docker-compose down
Docker Compose streamlines the process of working with multi-container applications, making it easier to launch, manage, and scale services. Whether you’re developing locally or deploying to a server, Docker Compose provides a convenient way to manage complex application architectures.
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