Add logic to read an env var

Author: david-rocca

.env

@@ -6,3 +6,4 @@ RATE_LIMIT_WINDOW_SECONDS=60
 # The maximum number of connections allowed within the rate limiting window.
 # This sets the threshold for how many requests can be made in the specified time frame.
 RATE_LIMIT_MAX_CONNECTIONS=1000
+USEMONGO=true

src/index.js

@@ -48,19 +48,11 @@ app.use((req, res, next) => {
 
 // Connect to MongoDB database
 const dbConnectionStr = dbUtils.getMongoConnectionString()
+const dbConnectionOptions = dbUtils.getMongoConnectionOptions()
 
-try {
-  // First attempt: try connecting with authMechanism
-  mongoose.connect(dbConnectionStr, {
-    authMechanism: 'SCRAM-SHA-1',
-    tls: false
-  })
-  console.log('Connected to MongoDB with authMechanism.')
-} catch (error) {
-  console.error('Failed to connect with authMechanism:', error.message)
-}
+// First attempt: try connecting with authMechanism
+mongoose.connect(dbConnectionStr, dbConnectionOptions)
 
-// database connection
 const db = mongoose.connection
 
 db.on('error', () => {

src/utils/db.js

@@ -1,5 +1,5 @@
 const config = require('config')
-
+const { booleanIsTrue } = require('./utils')
 const logger = require('../middleware/logger')
 
 /* constructs MongoDB connection string
@@ -30,6 +30,19 @@ function getMongoConnectionString () {
   return `mongodb://${dbLoginPrepend}${dbHost}:${dbPort}/${dbName}`
 }
 
+function getMongoConnectionOptions () {
+  if (process.env.USEMONGO !== undefined && booleanIsTrue(process.env.USEMONGO)) {
+    return {
+      tls: false
+    }
+  }
+  return {
+    authMechanism: 'SCRAM-SHA-1',
+    tls: false
+  }
+}
+
 module.exports = {
-  getMongoConnectionString
+  getMongoConnectionString,
+  getMongoConnectionOptions
 }