message: Switch to docker instead of podman
diff: cd $(dirname $0)
  -PROMETHEUS_TAG=docker.io/prom/prometheus
  +PROMETHEUS_TAG=prom/prometheus
  echo "Genarating config."
  ./gen_prometheus_config.py > prometheus.yml
  echo "Starting prometheus."
  -exec podman run \
  +exec docker run \
  + -i \
  + --rm \
  --net=host \
  -p 9090:9090 \
  -v $(pwd)/prometheus.yml:/etc/prometheus/prometheus.yml \
  