docker-compose is a tool used to create, define, and "orchastrate" many docker containers at once. That way your bot can have some friends! They will not be inside the same container as the bot, but more like neighbors. We will be using it to give our bot a database using PostgreSQL. You can fill free to use any database you want, just visit Docker Hub to search for your particular option.
You have a few choices here. You can use the one provided by your distributions repos (or Windows), or get the latest source by installing python3-pip.
python3-pip:
pip install docker-compose
Ubuntu/Debian:
sudo apt install docker-compose
RHEL:
sudo yum install docker-compose
Pacman:
sudo pacman -S docker-compose
cURL:
curl -L https://github.com/docker/compose/releases/download/1.12.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
Windows: docker-compose x86
Mac: Use cURL.
You can check if docker-compose is installed by running docker-compose --version
Ah, that will be covered in the next tutorial when I explain it throughly, give an example and show you how to orchastrate your own docker-compose file to fit your needs.
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