docker pull datadog/agent
docker stop datadog 
docker rm datadog 
docker run -d --name datadog -v /var/run/docker.sock:/var/run/docker.sock:ro -v /proc/:/host/proc/:ro -v /sys/fs/cgroup/:/host/sys/fs/cgroup:ro -e DD_API_KEY=07cc6ac9b1fc21b35dce9cd0271ec509 datadog/agent:latest