fixing docdb connection string

Author: david-rocca

src/utils/db.js

@@ -26,7 +26,11 @@ function getMongoConnectionString () {
   logger.info('Using dbName = ' + config.get(`${appEnv}.database`))
   logger.info(`Will try to connect to database ${dbName} at ${dbHost}:${dbPort}`)
 
-  return `mongodb://${dbLoginPrepend}${dbHost}:${dbPort}/${dbName}`
+  if (process.env.useAWS) {
+    return `mongodb://${dbLoginPrepend}${dbHost}:${dbPort}/${dbName}?retryWrites=false`
+  } else {
+    return `mongodb://${dbLoginPrepend}${dbHost}:${dbPort}/${dbName}`
+  }
 }
 
 function getMongoConnectionOptions () {