ZSH Prompt for running containers

docker.sh

# This function is used to list the amount of running docker containers in p10k
# Make sure to also just add my_docker to your prompt list
function promt_my_docker(){
    # Whale icon
    # docker ps | wc -l
    local containers=$(docker ps | wc -l)
    # Need to remove the first line
    containers=$((containers-1))

    # Only output the whale icon if there are containers running
    if [ $containers -gt 0 ]; then
        p10k segment -f 3 -i '🐳' -t ${containers}
    fi
}