db connect

pkg/dbase/handler.go

@@ -0,0 +1,33 @@
+package dbase
+
+import (
+	"database/sql"
+	"fmt"
+	_ "github.com/lib/pq"
+)
+
+type Deps struct {
+	Host     string
+	Port     string
+	Username string
+	Password string
+	DBName   string
+}
+
+func Connect(deps Deps) (*sql.DB, error) {
+	dsn := fmt.Sprintf(
+		"host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
+		deps.Host, deps.Port, deps.Username, deps.Password, deps.DBName)
+
+	db, err := sql.Open("postgres", dsn)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = db.Ping(); err != nil {
+		db.Close()
+		return nil, fmt.Errorf("failed to connect to DB: %w", err)
+	}
+
+	return db, nil
+}