diff --git a/apps/server/internal/container/container_test.go b/apps/server/internal/container/container_test.go
new file mode 100644
index 0000000..d710df0
--- /dev/null
+++ b/apps/server/internal/container/container_test.go
@@ -0,0 +1,34 @@
+package container
+
+import (
+	"context"
+	"testing"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestContainer_Close(t *testing.T) {
+	// Create a dummy pool
+	config, err := pgxpool.ParseConfig("postgres://localhost:5432/postgres")
+	assert.NoError(t, err)
+
+	pool, err := pgxpool.NewWithConfig(context.Background(), config)
+	assert.NoError(t, err)
+
+	// Create a container with the dummy pool
+	c := &Container{
+		DB: pool,
+	}
+
+	// Call Close and assert no error
+	err = c.Close()
+	assert.NoError(t, err)
+
+	// Additional verification: we can't easily check if pool is closed directly
+	// without calling a method that requires it to be open, or relying on internals.
+	// We can try to Ping it. It should fail since the pool is closed.
+	err = pool.Ping(context.Background())
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "closed pool")
+}