feat(db): implement basic db

internal/database/database.go

@@ -0,0 +1,31 @@
+package database
+
+import (
+	"database/sql"
+	"log"
+
+	"github.com/lib/pq"
+)
+
+var db *sql.DB
+
+func OpenDB(conf pq.Config) {
+	connector, err := pq.NewConnectorConfig(conf)
+
+	if err != nil {
+		panic(err)
+	}
+	db = sql.OpenDB(connector)
+
+	if err := db.Ping(); err != nil {
+		panic(err)
+	}
+
+	log.Printf("Database opened to %s:%d, %s as %s!\n", conf.Host, conf.Port, conf.Database, conf.User)
+}
+
+func CloseDB() {
+	if err := db.Close(); err != nil {
+		panic(err)
+	}
+}