code refactor, added middleware,

database/connect.go

@@ -0,0 +1,29 @@
+package database
+
+import (
+	"database/sql"
+	"fmt"
+	"github.com/joho/godotenv"
+	"log"
+	"os"
+)
+
+var DB *sql.DB
+
+func Init() (*sql.DB, error) {
+	err := godotenv.Load(".env")
+	if err != nil {
+		log.Fatal("Error loading .env file")
+	}
+	password := os.Getenv("PG_PASSWORD")
+	host := os.Getenv("PG_HOST")
+	connStr := fmt.Sprintf("user=postgres host=%s dbname=relay password=%s sslmode=disable", host, password)
+
+	DB, err = sql.Open("postgres", connStr)
+	if err != nil {
+		log.Fatal("Failed to connect to database", err)
+	}
+	fmt.Println("Successfully connected to database")
+
+	return DB, nil
+}

database/db.go

@@ -3,29 +3,10 @@ package database
 import (
 	"database/sql"
 	"fmt"
-	"github.com/joho/godotenv"
 	_ "github.com/lib/pq"
 	"log"
-	"os"
 )
 
-func InitDatabase() (*sql.DB, error) {
-	err := godotenv.Load(".env")
-	if err != nil {
-		log.Fatal("Error loading .env file")
-	}
-	password := os.Getenv("PG_PASSWORD")
-	host := os.Getenv("PG_HOST")
-	connStr := fmt.Sprintf("user=postgres host=%s dbname=relay password=%s sslmode=disable", host, password)
-	DB, err := sql.Open("postgres", connStr)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return DB, nil
-
-}
-
 func GetUsers(db *sql.DB) ([]string, error) {
 	query := `SELECT username FROM accounts;`