Fix healthchecks: install curl in backend and frontend images

frontend/src/services/api.js

@@ -0,0 +1,16 @@
+import axios from 'axios';
+
+const api = axios.create({
+  baseURL: '/api',
+});
+
+// Add auth token to every request if available
+api.interceptors.request.use((config) => {
+  const token = localStorage.getItem('token');
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`;
+  }
+  return config;
+});
+
+export default api;