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Docker
Technical requirements
- Ubuntu 18.04 server instance
- 4 GB to 8 GB of RAM
Installing Docker on Ubuntu
Let's install Docker
Update the package index by executing
sudo apt-get update
Add any packages that may be missing on the host system to allow HTTPS apt access
sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
Add the keys, to pull packages from Docker's repository
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add –
Add Docker's repository to the host system
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
Install Docker on the server instance
sudo apt-get update sudo apt-get install docker-ce docker-ce-cli containerd.io
Start Docker and enable it on startup
sudo systemctl enable docker && systemctl start docker
Granting Docker permissions
sudo groupadd docker sudo usermod -aG docker $USER
Run the standard Docker image
docker run hello-world