Merge pull request #7015 from KrugerHeavyIndustries/graceful_exit

graceful handling of SIGTERM and SIGINT such that return codes are mo…

lib/main.js

@@ -132,6 +132,17 @@ async function main (args = null) {
     await server.close();
     throw err;
   }
+
+  process.on('SIGINT', async function () {
+    logger.info(`Received SIGINT - shutting down`);
+    await server.close();
+  });
+
+  process.on('SIGTERM', async function () {
+    logger.info(`Received SIGTERM - shutting down`);
+    await server.close();
+  });
+
   logServerPort(args.address, args.port);
 
   return server;