Remember do this to clone the repo in ubuntu server and execute all steps
Digital Ocean Example to install Docker.
sudo apt update && sudo apt upgrade -ysudo apt install apt-transport-https ca-certificates curl software-properties-commoncurl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"apt-cache policy docker-cesudo apt install docker-cesudo systemctl status dockerssh-keygen -t rsa -b 4096 -C nodejs-app- Settings > "SSH and GPG keys" > New SSH key
cat ~/.ssh/id_rsa.pub- Key type: Authentication Key
- Add the public key to the authorized_keys file
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys- Copy content of the private key file
cat ~/.ssh/id_rsa- Settings > Secrets > Actions
SSH_PRIVATE_KEY: content of the private key file
SSH_USER: user to access the server
SSH_HOST: hostname/ip-address of your server
WORK_DIR: path to the directory containing the repository
MAIN_BRANCH: name of the main branch (mostly main)With this you can access your server and execute any file or command from actions