feat: add localized ledger explorer dashboard

cmd/dashboard/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"log/slog"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"gl/application/explorer"
+	"gl/infrastructure/config"
+	"gl/infrastructure/postgres"
+	webadapter "gl/interface/web"
+)
+
+func main() {
+	configPath := flag.String("conf", "./dashboard.cfg.toml", "path to the dashboard TOML configuration file")
+	flag.Parse()
+
+	cfg, err := config.LoadDashboard(*configPath)
+	if err != nil {
+		slog.Error("load dashboard configuration", "error", err)
+		os.Exit(1)
+	}
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	database, err := postgres.Open(ctx, cfg.Database)
+	if err != nil {
+		slog.Error("open GL database", "error", err)
+		os.Exit(1)
+	}
+	defer database.Close()
+	if err := database.Ping(ctx); err != nil {
+		slog.Error("connect to GL database", "error", err)
+		os.Exit(1)
+	}
+
+	repository := postgres.NewJournalRepository(database)
+	handler := webadapter.NewHandler(explorer.NewService(repository))
+	serverConfig := webadapter.ServerConfig{
+		Host:              cfg.HTTP.Host,
+		Port:              cfg.HTTP.Port,
+		ReadHeaderTimeout: cfg.HTTP.ReadHeaderTimeout,
+		ShutdownTimeout:   cfg.HTTP.ShutdownTimeout,
+	}
+	slog.Info("starting GL explorer", "host", cfg.HTTP.Host, "port", cfg.HTTP.Port)
+	if err := webadapter.Run(ctx, serverConfig, handler); err != nil {
+		slog.Error("GL explorer stopped", "error", err)
+		os.Exit(1)
+	}
+}