diff --git a/.github/workflows/lint-go.yml b/.github/workflows/lint-go.yml
index dcf06d0..f36bd44 100644
--- a/.github/workflows/lint-go.yml
+++ b/.github/workflows/lint-go.yml
@@ -18,6 +18,6 @@ jobs:
           check-latest: true
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v9
         with:
           working-directory: ./backend
\ No newline at end of file
diff --git a/Dockerfile.backend b/Dockerfile.backend
index 86707c2..18b6c5b 100644
--- a/Dockerfile.backend
+++ b/Dockerfile.backend
@@ -21,8 +21,9 @@ RUN cmake -B /app/algorithm/build -S /app/algorithm && \
 #2. Build the Go binary (enable CGO)
 WORKDIR /app/backend
 RUN apt-get update && \
-    apt-get install -y ca-certificates wget tar && \
-    wget -qO- https://github.com/daulet/tokenizers/releases/download/v1.27.0/libtokenizers.linux-amd64.tar.gz | tar xvz -C /usr/lib/
+    apt-get install -y ca-certificates wget tar
+
+RUN wget -O- https://github.com/daulet/tokenizers/releases/download/v1.27.0/libtokenizers.linux-amd64.tar.gz | tar xvz -C /usr/lib/
 
 RUN CGO_ENABLED=1 GOOS=linux go build -ldflags="-s -w" -o /app/bin/server ./cmd/server/main.go
 
diff --git a/backend/cmd/server/main.go b/backend/cmd/server/main.go
index 1241064..f1ada00 100644
--- a/backend/cmd/server/main.go
+++ b/backend/cmd/server/main.go
@@ -74,7 +74,8 @@ func main() {
 
 	cardRepo := repository.NewPgCardRepository(queries, &logger)
 	algoEngine := algorithm.NewSM2Engine()
-	embeder, err := tokenizer.NewOnnxEmbedder(cfg.TokenizerPath, cfg.ONNXModelPath, cfg.ONNXLibraryPath, &logger)
+	embeder, err := tokenizer.NewOnnxEmbedder(cfg.Embeder.TokenizerPath, cfg.Embeder.ONNXModelPath,
+		cfg.Embeder.ONNXLibraryPath, &logger)
 	if err != nil {
 		logger.Fatal().Err(err).Msg("Failed to create embedded tokenizer")
 	}
@@ -85,7 +86,7 @@ func main() {
 
 	srv := &nhttp.Server{
 		Addr:        ":" + cfg.HTTP.Port,
-		Handler:     cardHandler.InitRoutes(cfg.GinMode),
+		Handler:     cardHandler.InitRoutes(cfg.HTTP.GinMode),
 		ReadTimeout: cfg.HTTP.Timeout,
 	}
 
diff --git a/backend/internal/config/config.go b/backend/internal/config/config.go
index 52916a2..ec86e7e 100644
--- a/backend/internal/config/config.go
+++ b/backend/internal/config/config.go
@@ -7,33 +7,33 @@ import (
 	"github.com/ilyakaznacheev/cleanenv"
 )
 
-type HTTP struct {
+type HTTPConfig struct {
 	Port    string        `yaml:"port" env:"HTTP_PORT" env-default:"8080"`
 	Timeout time.Duration `yaml:"timeout" env:"API_TIMEOUT" env-default:"5s"`
 	GinMode string        `yaml:"gin_mode" env:"GIN_MODE" env-default:"debug"`
 }
 
-type Log struct {
+type LogConfig struct {
 	Level string `env-default:"info" yaml:"log_level" env:"LOG_LEVEL"`
 }
 
-type DB struct {
+type DBConfig struct {
 	URL      string `env:"DATABASE_URL" env-required:"true"`
 	MaxConns int32  `yaml:"max_conns" env:"DB_MAX_CONNS" env-default:"10"`
 	MinConns int32  `yaml:"min_conns" env:"DB_MIN_CONNS" env-default:"2"`
 }
 
-type Embeder struct {
+type EmbederConfig struct {
 	TokenizerPath   string `yaml:"tokenizer_path" env:"TOKENIZER_PATH" env-default:"/app/models/tokenizer.json"`
 	ONNXModelPath   string `yaml:"onnx_model_path" env:"ONNX_MODEL_PATH" env-default:"/app/models/model.onnx"`
 	ONNXLibraryPath string `yaml:"onnx_library_path" env:"ONNX_LIBRARY_PATH" env-default:"/usr/local/lib/libonnxruntime.so"`
 }
 
 type Config struct {
-	HTTP    `yaml:"http"`
-	Log     `yaml:"logger"`
-	DB      `yaml:"postgres"`
-	Embeder `yaml:"embeder"`
+	HTTP    HTTPConfig    `yaml:"http"`
+	Log     LogConfig     `yaml:"logger"`
+	DB      DBConfig      `yaml:"postgres"`
+	Embeder EmbederConfig `yaml:"embeder"`
 }
 
 func NewConfig() (*Config, error) {
diff --git a/backend/internal/http/router.go b/backend/internal/http/router.go
index d2075b2..3f95a6e 100644
--- a/backend/internal/http/router.go
+++ b/backend/internal/http/router.go
@@ -32,6 +32,8 @@ func (h *CardHandler) InitRoutes(ginMode string) *gin.Engine {
 	router.Use(gin.Recovery())
 
 	router.StaticFile("/", "./frontend/index.html")
+	router.Static("/css", "./frontend/css")
+	router.Static("/js", "./frontend/js")
 
 	card := router.Group("/api/v1/cards")
 	card.GET("/review", h.GetReviewBatch)