Added basic admin client

db/db.go

@@ -0,0 +1,24 @@
+package db
+
+import (
+	"context"
+	"github.com/jackc/pgx/v4/pgxpool"
+	"os"
+)
+
+var Db *pgxpool.Pool
+
+func Connect(connStr string) error {
+	if connStr == "" {
+		connStr = os.Getenv("QDDNS_DB")
+	}
+	if connStr == "" {
+		connStr = "postgresql:///pdns"
+	}
+	conn, err := pgxpool.Connect(context.Background(), connStr)
+	if err != nil {
+		return err
+	}
+	Db = conn
+	return nil
+}