Does docker-compose need to be installed?

"docker-compose" needs to be installed and is the official open source project of docker; "docker-compose" is a docker tool used to define a running complex application. This tool can be used to manage containers easily and efficiently. Multiple docker containers can be managed through one configuration file.

The operating environment of this tutorial: linux7.3 system, docker version 19.03, Dell G3 computer.

Docker-compose needs to be installed

Compose is Docker’s official open source project and needs to be installed!

Docker Compose is a tool used to define and run Docker tools for complex applications. An application system using Docker containers is usually composed of multiple containers. If each microservice has to be started and stopped manually, the efficiency will be low and the amount of maintenance will be heavy. Docker Compose is the official orchestration (Orchestration) project of Docker One is responsible for quickly deploying distributed applications.

Use Docker Compose to manage containers easily and efficiently. Compose manages multiple Docker containers through a configuration file. In the configuration file, all containers are defined through services and then started using the docker-compose script. , stop and restart the application, the services in the application, and all containers that depend on the service. Using one command, you can create and start all services from the YML file configuration, which is very suitable for scenarios where multiple containers are combined for development.

Docker-Compose and Docker compatibility

##Dcoker-Compose installation

1. Run the following command to download Docker Compose

curl -L "https://github.com/docker/compose/releases/download/v2.2.3/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

If github access is too slow, you can use daocloud to download

curl -L "https://get.daocloud.io/docker/compose/releases/download/v2.2.3/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

2. Add docker-compose Read and write execution permissions

chmod -R 777 /usr/local/bin/docker-compose

3. Check whether docker-compose is installed successfully

docker-compose --version

Recommended learning: "

docker video tutorial"

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