Compose Image Document For Free

Docker Compose is software used for defining and running multi-container Docker applications. It can handle multiple containers simultaneously in the production, staging, development, testing, and CI environment. Therefore, use Docker Compose to manage the whole software development lifecycle (SDLC).

Docker images are made up of layers. They're created based on the output generated from each command. Since the file package. json does not change often as our source code, we don't want to keep rebuilding nodemodules each time we run Docker build.

From your project directory, start up your application by running docker compose up . Compose pulls a Redis image, builds an image for your code, and starts the services you defined.

Docker Compose is a tool that was developed to help define and share multi-container applications. With Compose, we can create a YAML file to define the services and with a single command, can spin everything up or tear it all down.

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The Compose file provides a way to document and configure all of the application's service dependencies (databases, queues, caches, web service APIs, etc). Using the Compose command line tool you can create and start one or more containers for each dependency with a single command ( docker-compose up ).

The key difference between docker run versus docker-compose is that docker run is entirely command line based, while docker-compose reads configuration data from a YAML file. The second major difference is that docker run can only start one container at a time, while docker-compose will configure and run multiple.