add command to run the poller

package.json

@@ -7,6 +7,7 @@
     "postinstall": "tsc",
     "start": "pm2 start pm2.yaml",
     "stop": "pm2 stop pm2.yaml",
+    "start-poller": "pm2 start ./dist/coin-price/poller.js --cron '* * * * *'",
     "dev": "tsc-watch --onSuccess \"node ./dist/index.js\"",
     "eslint": "eslint src tests",
     "test": "mocha -r ts-node/register tests/**/*.test.ts --slow 0",

src/coin-price/poller.ts

@@ -149,7 +149,12 @@ export async function start() {
     }
   );
 
-  client.end();
+  await client.end();
 }
 
-start();
+try {
+  start();
+} catch(error) {
+  logger.error('poller error', error);
+  process.exit(1);
+}

tsconfig.json

@@ -67,5 +67,5 @@
     "skipLibCheck": true,                     /* Skip type checking of declaration files. */
     "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
   },
-  "files": [ "./src/index.ts" ]
+  "files": [ "./src/index.ts", "./src/coin-price/poller.ts" ]
 }