Deploy a git project with gitlab ci.

deploy.sh

#!/bin/bash


# Install ssh-agent if not already installed, it is required by Docker.
# (change apt-get to yum if you use a CentOS-based image)
which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )

# Run ssh-agent (inside the build environment)
eval $(ssh-agent -s)

# Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
ssh-add <(echo "$SSH_PRIVATE_KEY")

# For Docker builds disable host key checking. Be aware that by adding that
# you are suspectible to man-in-the-middle attacks.
# WARNING: Use this only with the Docker executor, if you use it with shell
# you will overwrite your user's SSH config.
mkdir -p ~/.ssh
[[ -f /.dockerinit ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config


ssh serviceuser@myhost.net <<-'ENDSSH'
    cd ~/myapp
    # assume that a deploy key has been setup on the remote server
    git pull
    # do something
ENDSSH