init routing, init db connection

api/src/configs/DBconfig.go

@@ -0,0 +1,9 @@
+package configs
+
+type PSQLConfig struct {
+	Db_user string
+	Db_password string
+	Db_name string
+	Db_port string
+	Host_db string
+}

api/src/initializers/initializers.go

@@ -0,0 +1,49 @@
+package initializers
+
+import (
+	"api/src/configs"
+	"api/src/storages/psql"
+	"fmt"
+	"log/slog"
+	"os"
+
+	"github.com/ilyakaznacheev/cleanenv"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+)
+
+var cfg *configs.PSQLConfig
+
+func InitDBconnection() {
+	cleanenv.ReadEnv(&cfg)
+	dsn := fmt.Sprintf(
+		"host=%s user=%s password=%s dbname=%s port=%s sslmode=disable TimeZone=Asia/Yekaterinburg",
+		cfg.Host_db,
+		cfg.Db_user,
+		cfg.Db_password,
+		cfg.Db_name,
+		cfg.Db_port,
+	)
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		slog.Error("failed to connect database", "error", err)
+		os.Exit(2)
+	}
+	psql.PSQL_GORM_DB = db
+	slog.Info("connected to database")
+}
+
+func InitChiRouting() {
+
+	r := chi.NewRouter()
+	r.Use(middleware.Logger)
+	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("welcome developer"))
+	})	
+	http.ListenAndServe(":8000", r)
+}

api/src/storages/psql/psql.go

@@ -0,0 +1,5 @@
+package psql
+
+import "gorm.io/gorm"
+
+var PSQL_GORM_DB *gorm.DB