st roots.</td><td><code>"spike.ist"</code></td></tr>
<tr><td>All</td><td><code>SPIKE_TRUST_ROOT_KEEPER</code></td><td>The SPIFFE trust root used for SPIKE Keeper instances. Can be a single entry, or a comma-delimited list of suitable trust roots.</td><td><code>"spike.ist"</code></td></tr>
<tr><td>All</td><td><code>SPIKE_TRUST_ROOT_PILOT</code></td><td>The SPIFFE trust root used for SPIKE Pilot instances. Can be a single entry, or a comma-delimited list of suitable trust roots.</td><td><code>"spike.ist"</cod