Move Go env setup code out of main app (#5504)

Author: jordan-smith721

source/includes/qe-tutorials/go/queryable_encryption_helpers.go

@@ -8,10 +8,18 @@ import (
 
 	"crypto/rand"
 
+	"github.com/joho/godotenv"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 )
 
+func LoadEnv() {
+	err := godotenv.Load(".env") // This file should contain your KMS credentials
+	if err != nil {
+		panic("Error loading .env file")
+	}
+}
+
 func GetKmsProviderCredentials(kmsProviderName string) map[string]map[string]interface{} {
 
 	switch kmsProviderName {

source/includes/qe-tutorials/go/queryable_encryption_tutorial.go

@@ -6,17 +6,14 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/joho/godotenv"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 )
 
 func main() {
-	err := godotenv.Load(".env") // This file should contain your KMS credentials
-	if err != nil {
-		panic("Error loading .env file")
-	}
+
+	LoadEnv()
 
 	// start-setup-application-variables
 	// KMS provider name should be one of the following: "aws", "gcp", "azure", "kmip" or "local"