diff --git a/apps/server/dockerfile b/apps/server/dockerfile
index f801846..aab7a1e 100644
--- a/apps/server/dockerfile
+++ b/apps/server/dockerfile
@@ -20,6 +20,7 @@ RUN go mod download
 COPY . .
 
 # Build the application
+RUN go mod tidy
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main ./cmd/main.go
 
 # Stage 2: Runtime stage
diff --git a/apps/server/internal/modules/auth/service_test.go b/apps/server/internal/modules/auth/service_test.go
new file mode 100644
index 0000000..762a9e9
--- /dev/null
+++ b/apps/server/internal/modules/auth/service_test.go
@@ -0,0 +1,27 @@
+package auth
+
+import (
+	"testing"
+
+	"github.com/coderz-space/coderz.space/internal/config"
+	db "github.com/coderz-space/coderz.space/internal/db/sqlc"
+)
+
+func TestNewService(t *testing.T) {
+	queries := &db.Queries{}
+	cfg := &config.Config{}
+
+	service := NewService(queries, cfg)
+
+	if service == nil {
+		t.Fatal("Expected NewService to return a non-nil Service instance")
+	}
+
+	if service.queries != queries {
+		t.Errorf("Expected queries to be %p, got %p", queries, service.queries)
+	}
+
+	if service.config != cfg {
+		t.Errorf("Expected config to be %p, got %p", cfg, service.config)
+	}
+}