td><td>The log level for all SPIKE components (<code>"DEBUG"</code>, <code>"INFO"</code>, <code>"WARN"</code>, <code>"ERROR"</code>).</td><td><code>"WARN"</code></td></tr>
<tr><td>All</td><td><code>SPIKE_NEXUS_API_URL</code></td><td>The URL where SPIKE Nexus can be reached</td><td><code>"https://localhost:8553"</code></td></tr>
<tr><td>All</td><td><code>SPIKE_TRUST_ROOT</code></td><td>The SPIFFE trust root used within the SPIKE trust boundary. Can be a single entry, or a comma-delimited list of suitable tru