Initial structure for the votes

server/db/db.go

@@ -0,0 +1,47 @@
+package db
+
+import (
+	"database/sql"
+	"fmt"
+	
+	"go-sjles-pta-vote/config"
+
+	_ "github.com/lib/pq"
+)
+
+var db *sql.DB
+
+func Connect() error {
+	var err error
+	dbConfig := config.GetConfig()
+
+	db, err = sql.Open(
+		"postgres", 
+		fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
+			dbConfig.Host,
+			dbConfig.Port,
+			dbConfig.User,
+			dbCofnig.Password,
+			dbConfig.Database
+		)
+	)
+
+	if err != nil {
+		return err
+	}
+
+	if err = db.Ping(); err != nil {
+		return err
+	}
+
+	fmt.Println("Connected to PostgreSQL")
+
+	return nil
+}
+
+// TODO: Is there a way to close automatically on app closure
+func Close() {
+	if db != nil {
+		_ = db.Close()
+	}
+}