added parseIntSafe function.

packages/server/src/environment.js

@@ -24,6 +24,12 @@ if (!LOADED && isDev() && !isTest()) {
   LOADED = true
 }
 
+function parseIntSafe(number) {
+  if (number) {
+    return parseInt(number)
+  }
+}
+
 let inThread = false
 
 module.exports = {
@@ -71,7 +77,7 @@ module.exports = {
   DEPLOYMENT_CREDENTIALS_URL: process.env.DEPLOYMENT_CREDENTIALS_URL,
   ALLOW_DEV_AUTOMATIONS: process.env.ALLOW_DEV_AUTOMATIONS,
   DISABLE_THREADING: process.env.DISABLE_THREADING,
-  QUERY_THREAD_TIMEOUT: parseInt(process.env.QUERY_THREAD_TIMEOUT),
+  QUERY_THREAD_TIMEOUT: parseIntSafe(process.env.QUERY_THREAD_TIMEOUT),
   SQL_MAX_ROWS: process.env.SQL_MAX_ROWS,
   _set(key, value) {
     process.env[key] = value