Installation

install current version (ubutnu/debian)

https://docs.docker.com/engine/install/ubuntu/:

# 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 -fsSLsSL https://download.get.docker.com/linux/ubuntu/gpgcom -o| /etc/apt/keyrings/docker.ascsh
sudo chmodusermod a+r-aG /etc/apt/keyrings/docker.ascdocker danielraab
newgrp docker # Add the repository to Aptadd sources:docker echoin \your "debcurrent [arch=$(dpkgshell --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

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugininstance

If you use an Ubuntu derivative distro, such as Linux Mint, you may need to use UBUNTU_CODENAME instead of VERSION_CODENAME.

execute docker without sudo

• sudo groupadd docker if not already exists
• sudo usermod -aG docker $USER add user to group
• logout and login, or restart on VM

proxy settings

create file in /etc/systemd/system/docker.service.d/http-proxy.conf

[Service]
Environment="HTTPS_PROXY=http://www-zproxy.fronius.com:80/"​
Environment="HTTP_PROXY=http://www-zproxy.fronius.com:80/"
Environment="NO_PROXY=localhost,127.0.0.1,fronius.com,10.0.0.0/8"

than execute

systemctl daemon-reload
systemctl restart docker

systemctl show --property Environment docker