For Ubuntu, we’re going to install Docker Engine and Docker Compose using the Docker and Compose repositories. This also happens to be the recommended approach by Docker. I’m installing this on a Raspberry Pi 3b, but the steps can be generally used on any Ubuntu installation.
🔗 blog: https://www.shariq.dev/blog/docker-series/pt-1-installing-docker-and-docker-compose
🔗 docker compose releases: https://github.com/docker/compose/releases
🔗 why do I need a GPG key: https://unix.stackexchange.com/questions/96951/why-do-i-need-to-add-a-gpg-key-with-apt-key-before-adding-url-to-sources-list-an
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docker updated the installation, composer is now included in the install
really appreciate the concise guide and website to follow along it was a ton of help!