✨ Check and create directory for content

internal/domain/config.go

@@ -8,6 +8,7 @@ import (
 
 type Config struct {
 	Host       string `env:"HOST" envDefault:"0.0.0.0"`
+	ContentDir string `env:"CONTENT_DIR" envDefault:"content/"`
 	Port       uint16 `env:"PORT" envDefault:"3000"`
 }
 

main.go

@@ -6,12 +6,14 @@ package main
 
 import (
 	"context"
+	"errors"
 	"flag"
 	"log"
 	"net"
 	"net/http"
 	"os"
 	"os/signal"
+	"path"
 	"runtime"
 	"runtime/pprof"
 	"syscall"
@@ -38,11 +40,26 @@ func init() {
 	flag.StringVar(&memProfilePath, "memprofile", "", "set path to saving pprof memory profile")
 	flag.Parse()
 
-	if err := env.ParseWithOptions(config, env.Options{
-		Prefix: "HOME_",
-	}); err != nil {
+	var err error
+	if err = env.ParseWithOptions(config, env.Options{Prefix: "HOME_"}); err != nil {
 		logger.Fatalln("cannot unmarshal configuration into domain:", err)
 	}
+
+	config.ContentDir = path.Clean(config.ContentDir)
+
+	if _, err = os.Stat(config.ContentDir); err != nil {
+		if errors.Is(err, os.ErrExist) {
+			return
+		}
+
+		if !errors.Is(err, os.ErrNotExist) {
+			logger.Fatalln("cannot check directory path for content:", err)
+		}
+
+		if err = os.MkdirAll(config.ContentDir, os.ModePerm); err != nil {
+			logger.Fatalln("cannot create directory for content:", err)
+		}
+	}
 }
 
 func main() {