Build Full-Stack Food App: Spring Boot, React,AWS & Payments

Create a new Spring Boot project from start.spring.io with Java 21 and Maven, adding core dependencies like Web, JPA, SQL, Postgres, and Security, then add JWT, AWS S3, and Stripe.

Connect your Spring Boot project to a MySQL or Postgres database, create food DB, and configure the dialect and ddl auto update in application properties.

Organize the full-stack food app project by creating modular packages for auth, user management, AWS service, cards, categories, config, email, payments, and reviews, with controllers, DTOs, entities, repositories, and services.

Organize enums for notification type, order status, payment gateway, and payment status to manage emails and order progression from initialized to delivered across gateways like Stripe, PayPal, Razorpay, Paystack, Flutterwave.

Define a user entity with JPA and Lombok, using a builder pattern, mapping roles, orders, reviews, payments, a cat, and email-based repository; includes a DTO and login/registration requests.

Create a generic response class in Java to standardize responses with a status code, message, data of type T, and optional metadata for pagination.

Design and implement a cart system by modeling cart and cart item entities with user and promo code relations, creating DTOs, and building JPA repositories with a find-by-user-id method.

Define a category entity with id, name, description, and a one-to-many relationship to menus, enforce unique names, configure cascade, create a category detail DTO, and implement a JPA repository.

Define a notification entity for email alerts (subject, recipient, body, type, Createdat) with Lob support and HTML flag, then implement a matching DTO and a JPA repository.

Define the menu entity, its dto, and repository with jpa relationships to category and reviews, using bigdecimal for price and jpa specifications for dynamic queries.

Designs the order and order item entities and their relationships, builds dtos, and implements repositories in a Spring Boot food app, including order status, payment status, item totals, and reviews.

Define and implement a payment entity with fields for order, amount, status, transaction id, payment gateway, failure reason, payment date, and user, then create its repository and relations.

Define the review entity with id, user, ratings, comment, created date, and order and menu associations; implement a review dto and a repository with menu, average rating, and existence queries.

Define a role entity with id and name, convert it to a role DTO, and implement a JPA repository with find by name to assign roles to users.

Create a ModelMapperConfig to configure model mapper: enable field matching, set field access level to private, use standard matching strategy, and expose it as a bean in the application context.

Create custom exception classes (not found, bad request, payment processing, unauthorized) and a controller advice to deliver structured error responses.

Implement security by creating an auth user to feed your user entity into Spring Security, map roles to authorities, and load users via a custom user details service.

Create a jwt util service to generate and validate tokens with a 30-day expiration and a secret from application properties, enabling username extraction and claim retrieval via mac 256.

Introduce the outfitter as the authentication module's entry point, a per-request filter that extracts a bearer token, validates it with user details, and sets the security context.

Configure a security filter chain with web security and method security, integrating a custom auth filter, access deny handler, authentication entry point, and stateless jwt authentication.

Define a course config class with web mvc configuration, add mapping, and origins rules to regulate get, post, and delete requests for the backend in test and production environments.

Configure smtp mail sending by updating application.properties with gmail smtp settings, port 587. Enable two-step verification, generate an app password, and use it with your email in email notification service.

Implement an asynchronous email notification service with a Java mail sender, using a notification interface and implementation, mime message building, and html support, then persist the notification to repository.

Test email sending in a Spring Boot app by enabling async, wiring the notification service, building a notification DTO, and triggering a CommandLineRunner to send a test email.

Configure AWS and set up an S3 client to save menu and profile images to the cloud, including region, bucket, access key, and secret key.

Set up an AWS account, create a programmatic IAM user with S3 access and access keys, then create an S3 bucket and apply a public read policy for image storage.

Build an AWS S3 service with upload and delete methods returning the file URL, using a configured S3 client, bucket name, and file key.

Test a file upload endpoint by wiring a dummy controller to a multipart file service, and validate results via Postman against the local /upload API.

Define and implement a rule service with CRUD operations for rule entities, using a repository and model mapper to return a generic response containing a rule DTO.

Implement a secured rule controller for the /api/rules endpoint, restricting access to admins and providing create, update, list, and delete operations via a rule service and request validation.

Test and verify role management APIs by creating, updating, retrieving, and deleting roles (admin, customer, delivery, manager) using Postman, while adjusting security filters and routes.

Implement a secure auth service with register and login capabilities, including email validation, role assignment (default customer), password encoding, and JWT token generation.

Develop an auth controller by defining a class with api mappings under /api/auth, wiring the auth service, and implementing register and login endpoints that validate requests and return response entities.

Test the auth API by registering users via /api/register with name, email, password, address, phone, and roles, then log in to obtain a token.

Develop a user service to fetch the current login user, list all users, update profile details (including image upload to S3), and deactivate accounts with email notifications.

Design and implement a secure user controller in a Spring Boot app, featuring admin-only access to user lists and endpoints for updating accounts with multipart data.

Test user API endpoints with Postman, verify admin-only access to get all users, and update own account via put with multipart form data to upload a profile picture.

Create and implement a category service to manage categories with add, update, get by id, get all, and delete operations, using a repository and a model mapper for category dtos.

Develop a category controller with endpoints to add, update, get by id, list all, and delete categories, secured for admins, validating input, and returning category dtos.

Test category API endpoints using Postman by creating, retrieving, updating, and deleting categories with admin authorization, validating responses and access controls across /category and /api/category routes.

Learn to implement a menu service with create, update, get, delete, and list operations, using specifications for complex queries, category linking, and cloud image uploads.

Learn to implement a menu controller in Spring Boot, wiring a menu service with create, update, delete, and get menus, supporting multipart image uploads and admin access via category/search filters.

Test and validate the menu API end-to-end by creating menus with form data and images, retrieving by category or search, updating items and images, and deleting records.

Implement a Spring transactional cart service that manages carts and cart items linked to menus, supporting add, increment, decrement, remove, and clear operations.

Create and manage a shopping cart with endpoints to add items, increment or decrement items, remove items, get the cart, and clear the cart.

Test the cart API with Postman by adding items, viewing the cart, incrementing and decrementing quantities, removing items, and clearing the cart with authorized JSON requests.

Develop and implement custom email templates for order confirmation, payment success, and payment failure using Thymeleaf HTML emails, including customer names, order details, and payment links.

Design and implement an order service for a full-stack food app, enabling placing orders from the cart, fetching by id or user with pagination, updating status, and counting unique customers.

Develop a Spring Boot order controller with checkout, get order by id, get my orders, order details and items, and admin-only endpoints for all orders with pagination and status updates.

Test and debug the full order workflow with Postman, placing orders at checkout, validating authorization and cart items, and exercising get, update, and unique user endpoints with admin access.

Implement a review service that creates and retrieves reviews for a menu, returns dtos, and computes the menu's average rating with robust order and delivery validations.

Implement a review controller with create, get, and average rating endpoints, enforcing authentication for creating reviews while keeping read endpoints public, using review service and validation.

Test and validate the review API end-to-end by authenticating with a token, posting reviews with order ID, menu ID, rating, and comment, and retrieving menu reviews with average ratings.

Configure Stripe payment processing by storing public and secret keys, initializing payment intents in test mode, validating orders, updating payment status, and sending email notifications through templates.

Create a payment controller that exposes initialize payment, update payment, and fetch all payments or fetch by id using a payment service, with admin-restricted endpoints and request validation.

Develop the frontend for a food app by creating a React app, installing dependencies with npm, and wiring React Router DOM, Stripe, chat UI, chart components, and font icons.

structure the project by creating folders for services and components (admin, login, common, home_menu, elements, profile_cart) and copy the base styling from app.css and app.index.css.

Create an api service class using axios to manage authentication tokens stored in local storage, user roles, and profile operations via endpoints on localhost:8090.

Implement a guard service to protect customer and admin routes by verifying user type, redirecting unauthorized users to login, and returning users to their intended page after authentication.

Build a dynamic navbar that conditionally renders links based on user authentication and roles (admin, customer, delivery), including login, logout, profile, cart, and admin panels.

Create a functional footer component in React and export it. Render a styled footer with copyright year, terms of service, privacy, and contact us links.

Create a custom error display hook and component to show and auto dismiss errors across the app using useEffect and a timer, with onDismiss and CSS styling, integrated via router.