Implement notifications service with shared messaging and email drivers (#36)

backend/notifications/main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"git.sendico.io/tech/sxchnge/notifications/app"
+	"go.uber.org/zap"
+)
+
+func main() {
+	path := flag.String("config.file", "config.yml", "notification configuration")
+	flag.Parse()
+	logger, err := zap.NewProduction()
+	if err != nil {
+		os.Exit(1)
+	}
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer cancel()
+	config, err := app.Load(*path)
+	if err == nil {
+		err = app.Run(ctx, config, logger)
+	}
+	if err != nil {
+		logger.Error("Notifications service terminated", zap.Error(err))
+		_ = logger.Sync()
+		os.Exit(1)
+	}
+	_ = logger.Sync()
+}