diff --git a/src/configs/domains.configs.js b/src/configs/domains.configs.ts
similarity index 91%
rename from src/configs/domains.configs.js
rename to src/configs/domains.configs.ts
index a5013fa..ec8ed88 100644
--- a/src/configs/domains.configs.js
+++ b/src/configs/domains.configs.ts
@@ -1,4 +1,4 @@
-const valid = [
+const valid: string[] = [
   'owlboard.info',
   'avantiwestcoast.co.uk',
   'btp.police.uk',
@@ -33,4 +33,5 @@ const valid = [
   'wmtrains.co.uk',
 ];
 
-module.exports = valid;
\ No newline at end of file
+module.exports = valid;
+export { valid }
\ No newline at end of file
diff --git a/src/configs/errorCodes.configs.js b/src/configs/errorCodes.configs.ts
similarity index 80%
rename from src/configs/errorCodes.configs.js
rename to src/configs/errorCodes.configs.ts
index 49fe495..0e9e250 100644
--- a/src/configs/errorCodes.configs.js
+++ b/src/configs/errorCodes.configs.ts
@@ -1,3 +1,5 @@
+// statusCodes should be a map, not an object
+
 const statusCodes = {
   400: 'data not found',
   700: 'no authentication attempt',
@@ -12,4 +14,5 @@ const statusCodes = {
   951: 'unknown server error'
 };
 
-module.exports = statusCodes;
\ No newline at end of file
+module.exports = statusCodes;
+export { statusCodes }
\ No newline at end of file
diff --git a/src/configs/version.configs.js b/src/configs/version.configs.js
deleted file mode 100644
index 7ea3384..0000000
--- a/src/configs/version.configs.js
+++ /dev/null
@@ -1,6 +0,0 @@
-const version = {
-  api: ['/api/v1/','/api/v2'],
-  app: '2023.7.8'
-};
-
-module.exports = version;
\ No newline at end of file
diff --git a/src/configs/version.configs.ts b/src/configs/version.configs.ts
new file mode 100644
index 0000000..93e0131
--- /dev/null
+++ b/src/configs/version.configs.ts
@@ -0,0 +1,12 @@
+interface versions {
+  api: string[],
+  app: string
+}
+
+const version: versions = {
+  api: ['/api/v1/','/api/v2'],
+  app: '2023.7.8'
+};
+
+module.exports = version;
+export { version }
\ No newline at end of file
diff --git a/src/utils/varTest.utils.js b/src/utils/varTest.utils.js
deleted file mode 100644
index f4db80e..0000000
--- a/src/utils/varTest.utils.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/* global process */
-// Checks that all required environment variables are present.
-// Returns True or False and offers an object detailing what is missing.
-
-async function varTest(){
-  var required = {
-    OWL_LDB_KEY: process.env.OWL_LDB_KEY,
-    OWL_LDB_CORPUSUSER: process.env.OWL_LDB_CORPUSUSER,
-    OWL_LDB_CORPUSPASS: process.env.OWL_LDB_CORPUSPASS,
-    OWL_NOT_USED: process.env.OWL_NOT_USED
-  };
-  var desired = {
-    OWL_DB_PASS: process.env.OWL_DB_PASS
-  };
-  // DO NOT LOG CREDENTIALS!!!
-
-  // Test that each of required is NOT undefined.
-  // var pass = true if all okay, false if not.
-  // Append any missing values to missing_required = []
-  // Test that each of desired is NOT undefined.
-  // Append any missing values to missing_desired = []
-
-  // Return : {pass: $pass, missong_required = $missing_required, missing_desired = $missing_desired}
-}
-
-module.exports = {
-  varTest
-};
\ No newline at end of file