Front-End Web & Mobile

Category: AWS Lambda

Creating serverless GraphQL APIs from RDS databases with AWS AppSync and PostGraphile

GraphQL is a query language for APIs that provides an understandable description of the data in your API, and that allows clients to ask for data in the shape that they need it. GraphQL helps developers implement applications faster, by giving developers the ability to query multiple databases, microservices, and APIs with a single GraphQL […]

How FINRA Built Xpand Reality, an Augmented Reality Simulation App for Investor Education

This is a guest blog by Sumalatha Bachu [Director, Technology] and Kumar Siddhartha [Lead Developer], Financial Industry Regulatory Authority (FINRA). FINRA is dedicated to protecting investors and safeguarding market integrity in a manner that facilitates vibrant capital markets. 2021 marked FINRA’s sixth annual internal hackathon, entitled the Createathon. The three-day event is an important part […]

Enhancing Live Sports with the new AWS AppSync filtering capabilities

This article was written by Stefano Sandrini, Principal Solutions Architect, AWS With AWS AppSync you can create serverless GraphQL APIs that simplify application development by providing a single endpoint to securely access data from multiple data sources, and leverage GraphQL subscriptions to implement engaging real-time application experiences by automatically publishing data updates to subscribed API […]

Build a Serverless Full-Stack Registration App in minutes using AWS Amplify

Customers often ask developers to design and create a web application form that captures the registration for some events or training that they want to host. AWS Amplify solves this problem by creating the required resources and generating the boilerplate integration code for different layers using serverless technologies. Now, developers can focus on developing the […]

Client A inserted data into the AWS AppSync endpoint in Ireland. This data was in turn inserted into Amazon DynamoDB, which replicated the data to Sydney. In Sydney, Amazon DynamoDB streams trigger AWS Lambda functions which notify the AWS AppSync endpoint to the new data. Client C receives the new data via its subscription

Multi Region Deployment of AWS AppSync with Amazon DynamoDB Global Tables

As organizations grow, they often need to serve geographically dispersed users with low latency, prompting them to have a distributed global infrastructure in the cloud. By leveraging the AWS Global Network to deploy applications into multiple AWS Regions, organizations can allow their users to connect to an API endpoint in the Region with the lowest […]

Amazon Location Service enables Matrix Routing to optimize route planning

Amazon Location Service introduces Matrix Routing as a new feature to Routes that lets you calculate routes between one or more departure and destination positions. Matrix Routing will return the shortest time and distance between each departure and destination point in your Matrix. With Amazon Location Matrix Routing, you can specify additional routing parameters for […]

Introducing configurable batching size for AWS AppSync Lambda resolvers

AWS AppSync is a serverless GraphQL service that makes it easy to create single endpoint GraphQL and realtime APIs. AppSync lets you combine disparate data sources and deliver the results to applications in an expected format, as specified by your API’s schema definition. Customers use resolvers attached to AWS Lambda functions to retrieve data from various […]

Extend Amplify backend with custom AWS resources using AWS CDK or CloudFormation

Today, AWS Amplify announces a new amplify add custom command to add any of the 175+ AWS services to an Amplify-created backend using the AWS Cloud Development Kit (CDK) or AWS CloudFormation. The new ability to add custom resources enables developers to add additional resources beyond Amplify’s built-in use cases with a single command. AWS […]

Implementing Estimated Time of Arrival and Proximity Notifications for Delivery using Amazon Location Service

The development of location-based services is increasing at a rapid rate, supporting use cases such as asset track and delivery services. In this blog, we’ll show you how to implement an estimated time of arrival or proximity notification using Amazon Location Service. An example of this would be delivery of building materials (e.g., lumber, copper […]