etcd uses [gcr.io/etcd-development/etcd](https://console.cloud.google.com/gcr/images/etcd-development/GLOBAL/etcd) as a primary container registry.

```
rm -rf /tmp/etcd-data.tmp && mkdir -p /tmp/etcd-data.tmp && \
  podman rmi gcr.io/etcd-development/etcd:v3.3.9 || true && \
  podman run \
  -p 2379:2379 \
  -p 2380:2380 \
  --mount type=bind,source=/tmp/etcd-data.tmp,destination=/etcd-data \
  --name etcd-gcr-v3.3.9 \

    <magic priority ="20">
      <match type="string" value="MThd" offset="0"/>
    </magic>
    <glob pattern="*.mid"/>
    <glob pattern="*.midi"/>
    <glob pattern="*.kar"/>
    <glob pattern="*.rmi"/>
  </mime-type>

  <mime-type type="audio/mobile-xmf"/>
  <mime-type type="audio/mp4">
    <alias type="audio/x-m4a"/>
    <alias type="audio/x-mp4a"/>
    <magic priority="60">