feat: add durable Kuknos settlement coordination

cmd/healthcheck/main.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"os"
+	"time"
+
+	"gl/infrastructure/config"
+	"gl/infrastructure/postgres"
+)
+
+func main() {
+	configPath := flag.String("conf", "/app/config.toml", "path to the GL TOML configuration file")
+	flag.Parse()
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+	cfg, err := config.Load(*configPath)
+	if err != nil {
+		os.Exit(1)
+	}
+	database, err := postgres.Open(ctx, cfg.Database)
+	if err != nil {
+		os.Exit(1)
+	}
+	defer database.Close()
+	if err := database.Ping(ctx); err != nil {
+		os.Exit(1)
+	}
+}