n>

<span style="color: #707183;">(</span><span style="color: #a020f0;">defsystem</span> <span style="color: #0000ff;">prod-system</span>
  <span style="color: #7388d6;">[</span><span style="color: #008b8b;">:datomic-db</span> <span style="color: #909183;">(</span>new-datomic-db <span style="color: #709870;">(</span>env <span style="color: #008b8b;">:db-url</span><span style="color: #709870;">)</span><span style="color: #909183;">)</span>
   <span style="color: #008b8b;">:mongo-db</span> <span style="color: