# Docker + Docker Compose

[DockerDocs](https://docs.docker.com/engine/install/ubuntu/)

## Instalace

1. Nastavení `apt` repozitáře
```shell
# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
```

1. Instalace poslední verze
```shell
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
```

1. Kontrola instalace
```shell
docker -v
docker compose
```

1. Použití Dockeru bez SUDO
```shell
sudo usermod -aG docker $USER
```

## Odinstalace

2. Odstranení všech balíčků `Docker Engine`, `CLI`, `containerd` a `Docker Compose`.
```shell
sudo apt-get purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
```

2. Ručně odstranit `Images`, `containers`, `volumes` nebo `custom configuration`.
```shell
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd
```