Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/rest/cmd/main.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/explorer/backend/api/rest"
+	"github.com/explorer/backend/database/config"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func main() {
+	ctx := context.Background()
+	
+	// Load database configuration
+	dbConfig := config.LoadDatabaseConfig()
+	poolConfig, err := dbConfig.PoolConfig()
+	if err != nil {
+		log.Fatalf("Failed to create pool config: %v", err)
+	}
+
+	// Connect to database
+	db, err := pgxpool.NewWithConfig(ctx, poolConfig)
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+	defer db.Close()
+
+	// Configure connection pool
+	db.Config().MaxConns = 25
+	db.Config().MinConns = 5
+	db.Config().MaxConnLifetime = 5 * time.Minute
+	db.Config().MaxConnIdleTime = 10 * time.Minute
+
+	chainID := 138
+	if envChainID := os.Getenv("CHAIN_ID"); envChainID != "" {
+		if id, err := strconv.Atoi(envChainID); err == nil {
+			chainID = id
+		}
+	}
+
+	port := 8080
+	if envPort := os.Getenv("PORT"); envPort != "" {
+		if p, err := strconv.Atoi(envPort); err == nil {
+			port = p
+		}
+	}
+
+	// Create and start server
+	server := rest.NewServer(db, chainID)
+	if err := server.Start(port); err != nil {
+		log.Fatalf("Failed to start server: %v", err)
+	}
+}