Build a Single-Page App with Go and Vue

This article, originally published on the Okta developer blog, demonstrates building a secure, single-page application (SPA) using Vue.js and a Go backend. It leverages Okta for authentication and MongoDB for data persistence. The SPA allows users to search GitHub for open-source projects, favorite them, and add notes.

SPAs offer enhanced user experiences with rich interactions and fast feedback. However, they present frontend challenges in areas like authentication and state management. Vue.js simplifies this process.

Vue.js Highlights:

• Easy learning curve and incremental adoption.
• vue-cli streamlines project setup.
• Strong community support.
• Flexible component-based architecture.

Application Architecture:

The tutorial creates a Vue.js frontend with Vuex for state management, Vuetify for Material Design components, and Vue Router for navigation. The Go backend provides a REST API and uses Okta's Go JWT Verifier for secure authentication via JSON Web Tokens (JWTs) and OpenID Connect (OIDC). MongoDB stores the application data.

Project Setup:

1. Directory Structure: The project is organized with the Go backend and Vue.js frontend within the same project directory. vue-cli scaffolds the Vue.js application.
2. Vuetify Integration: Vuetify is added to enhance the UI with Material Design components.
3. Okta Authentication: A free Okta developer account is used to create an OIDC application, providing secure user authentication and management. The Okta Vue SDK simplifies integration.

Routing and Components:

The application defines routes for login, a main dashboard (/me), and individual project details (/repo/:id). Authentication is enforced using Okta's authRedirectGuard. Components handle user interaction, data display, and communication with the Go backend.

Go Backend:

The Go backend uses MongoDB for data persistence. A kudo struct represents favorited projects. The Service layer handles business logic, interacting with the repository. HTTP handlers manage API requests, using Okta's JWT verifier middleware for authentication.

Running the Application:

A Makefile simplifies the build and run process, utilizing Docker Compose for managing MongoDB.

Further Learning:

The article concludes with links to additional resources on Vue.js and Go, including Okta's tutorials on PWAs and authentication.

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