First commit

storage/storage.go

@@ -0,0 +1,32 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package storage
+
+import (
+	"database/sql"
+	"log"
+
+	_ "github.com/lib/pq"
+)
+
+type Storage struct {
+	db *sql.DB
+}
+
+func (s *Storage) Close() {
+	s.db.Close()
+}
+
+func NewStorage(databaseUrl string, maxOpenConns int) *Storage {
+	db, err := sql.Open("postgres", databaseUrl)
+	if err != nil {
+		log.Fatalf("Unable to connect to the database: %v", err)
+	}
+
+	db.SetMaxOpenConns(maxOpenConns)
+	db.SetMaxIdleConns(2)
+
+	return &Storage{db: db}
+}