Fix fatal error if .env doesn't load in production

.env.example

@@ -1,3 +1,4 @@
+ENVIRONMENT=[development]
 MYSQL_PORT=[3306]
 DB_USER=[root]
 DB_PASSWORD=[password]

README.md

@@ -5,6 +5,7 @@ RESTful API for interacting with David Chang programmatically
 ### Configure
 `$ cp .env.example .env`
 - Fill out all the details for your local database (replace examples in brackets):
+	- ENVIRONMENT=[development]
 	- MYSQL_PORT=[3306]
 	- DB_USER=[root]
 	- DB_PASSWORD=[password]

main.go

@@ -23,12 +23,16 @@ type Resume struct {
 }
 
 func init() {
-	// Load environment variables from a file if needed
-	// For simplicity, you can set them directly in your Cloud Run service configuration.
-	// LoadEnvFromFile(".env") // Uncomment this line if you are using a .env file
-	err := godotenv.Load()
-	if err != nil {
-		log.Fatal("Error loading .env file")
+	// Check if running in a development environment
+	env := os.Getenv("ENVIRONMENT")
+	if env == "" || strings.ToLower(env) == "development" {
+		// Load environment variables from a file for development
+		err := godotenv.Load()
+		if err != nil {
+			log.Fatal("Error loading .env file")
+		}
+	} else {
+		// In production, environment variables are provided by the deployment platform (ie. Cloud Run)
 	}
 }