Show docker container with respect to a host PID

bash.rc

function findc {
        local pid=$1
        local containerLabel=$(head -1 /proc/11212/cgroup | sed -E 's|.*pod([0-9a-z\-]*).*|\1|')
        if [[ "${containerLabel}" == "" ]]; then
                echo "no container found with regards to PID $pid"
                exit 2
        fi

        local matchedID=$(docker ps -a | grep "${containerLabel}" | awk '{ print $1 }' 2>/dev/null)
        while read -r id; do
                pidInContainer=$(docker inspect -f '{{.State.Pid}}' $id)
                if [[ "${pidInContainer}" == "${pid}" ]]; then
                        docker ps -f  "id=${id}"
                        return
                fi
        done <<< "${matchedID}"
}