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Install Docker

Step 1: [OPTIONAL] Uninstall Old Versions (if any)​

sudo apt-get remove docker docker-engine docker.io containerd runc

Step 2: Install Required Dependencies​

sudo apt update && sudo apt upgrade -y
sudo apt-get install -y ca-certificates curl gnupg lsb-release

Step 3: Add Docker’s Official GPG Key​

sudo mkdir -m 0755 -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo tee /etc/apt/keyrings/docker.asc > /dev/null

Step 4: Add Docker Repository​

echo "deb [signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Step 5: Install Docker Engine & CLI​

sudo apt update && sudo apt upgrade -y
sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Step 6: Verify Docker Installation​

sudo systemctl status docker

Step 7: [OPTIONAL] If docker not running, start it:​

sudo systemctl enable --now docker
docker --version

Step 8: Install Docker Compose​

DOCKER_COMPOSE_VERSION=$(curl -s https://api.github.com/repos/docker/compose/releases/latest | grep -Po '"tag_name": "\K.*?(?=")')
sudo curl -L "https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Check docker compose version

docker compose version

Set the correct permissions:

sudo usermod -aG docker $(whoami)
newgrp docker

Restart runner (THE SELF HOSTED RUNNER, NOT DOCKER)after above command

sudo ./svc.sh stop
sudo ./svc.sh start

Check the status of docker

sudo systemctl status docker

[OPTIONAL] If it’s not running, start it manually:

sudo systemctl restart docker