What is AWS Amplify?

AWS Amplify is a set of purpose-built tools and features that simplifies UI and backend creation of full-stack mobile and web applications. Its code libraries, ready-to-use components, and built-in CLI (command line interface) boost performance and quality in your app development lifecycle. AWS Amplify supports a wide variety of languages for web and mobile application development.

The AWS Amplify development framework provides use cases for faster, easier development and deployment of high-impact mobile and web apps. From authentication to data to AIML (artificial intelligence markup language), Amplify’s toolset streamlines the process. Your mobile and web apps perform at their peak powered by AWS Services.

Cloud is powerful, but necessarily complex. AWS Amplify shields your development and deployment cycles from that complexity.

Here are reasons we think you should use AWS Amplify for your Agile Mobile and Web app development.

Free then Pay-As-You-Go Development Platform

A much-utilized feature of paid AWS Services is the usage payment model. AWS Amplify offers this flexible and cost-efficient model enabling you to save money by paying only for the services you use. But, even better than that, Amplify offers impressive service tiers for free. You only pay once your trial period of 12 month is over or until you reach a higher threshold of technical requirements.

No Cloud Expertise Required

Under the whole AWS Amplify ecosystem, you can take advantage of its amazing AWS Amplify Studio tool. This feature creates clean REACT code from visually executed changes made in the console. This allows you to focus less on detailed coding and more on awesome user experience and business functionality. You can let the tool worry about efficient code, performance, and scalability. Amplify is a low-code solution with guided workflows to set up best-in-class backends handling complexity without slowing development.

Speeds Prototyping

AWS Amplify puts all the tools and processes at your developers’ fingertips that enable them and the product development team to to experiment with new functionality, adding and sunsetting features quickly as they get customer or focus group feedback on what the market wants and what it doesn’t. The ability to exponentially accelerate development and deployment cycles brings an incredible competitive advantage of agility.

No Loss of Architectural Control

Amplify’s use-case centric approach to building cloud backends is instantly attractive to new developers and those new to cloud. This can warn more seasoned developers and architects who are likely to raise concerns about full control on the code. But with Amplify, there is no need for concern because the platform offers “escape hatches” to enable a team ot fine-tune lower-level APIs, if ever required. These short-cuts enable customization of specific API calls sent to backend services.

Integrate with other AWS Services

AWS Amplify offers the User Interface (UI) elements for cloud-connected workflows, CLI toolchain, and code libraries. To integrate with other AWS services, these libraries can be employed mutually or independently without needing to adjust the UI of the existing app. The combination of an existing frontend app with Amplify can be done by adding a few code lines.

There are few approaches when joining an actual frontend application with AWS Amplify. For example, doing a complete backend rebuild that can be done by using the Amplify toolchain to rebuild resources.

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AWS Amplify SDK Integrates with the most used App Development languages

Even though the SDK is fully available for Node developers, AWS Amplify is easy to integrate with the most popular Web & Mobile applicaiton development framework, including native languages (Android & iOS), Flutter and React Native.

Automate Cloud Backends

AWS Amplify improves app performance by offering built-in support for backend management. Amplify CLI enables you to auto-configure cloud backends by connecting your backend via libraries. Easy-to-use CLI commands enable you to to add more cloud services and features and efficiently make changes to your AWS-managed backends. The CLI processes and workflows are seamless, accelerating development. .

Common Workflows Faster and Standardized

Amplify UI offers dozens of pre-built components of common workflows such as login and logout. Adding them to your app is as simple as dragging and dropping in the component. Save time, get standardization across applications, and put your development time to better use on critical functions and innovation.

Useful Web-Based Analytics

AWS Amplify’s web-based analytics dashboard offer up-to-date metrics on user sessions, attributes, and in-app metrics. Developers, designers, and project managers benefit from the insight this analytics dashboard provides.

AWS Amplify brings the security reliability, and availability to full-stack mobile and web apps that AWS Services is renowned for.

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Written by Nicolás Tosolini | Associate Software Engineer @ DinoCloud

What is AppSync, and what is it used for?

AppSync is an AWS service that is responsible for simplifying application development. For example, if you use a front-end development, you have to deploy an API as quickly as possible. In the shortest possible time, AppSync gives you the possibility to deploy the API quickly, with a couple of clicks, and Amazon takes care of the maintenance. It is very efficient for front-end developments since it gives you the possibility of having flexible and secure access to the data with one or more origins. AppSync allows you to take all the data, which comes from different sources, gather it, modify it, and bring only the relevant information, which ends up being an essential feature since it offers more speed and allows the performance to be much more performant.

Another quality that AppSync provides is the management and synchronization of application data in real-time. For example, using subscriptions offers the possibility to the server that it is constantly listening to if there are databases or not, which is functional to create chats since it is constantly sending data in real-time. You have precise access to that data.

On the other hand, a feature that AppSync has is that it allows you to access and modify data offline, for example, if you have a mobile application. You run out of data, or you do not have Wi-Fi, it would be expected for you not to continue using it. However, from AppSync, It can continue to work. Once the internet connection is back, it will take care of merging the data from when you were offline, resolving conflicts, and syncing everything to the database.

Another clear example is when from enterprise apps, from web apps, mobile apps, or I oT devices, AppSync takes all your information and processes it with GraphQL Scheme or resolvers, being able to see that the source of information can come from any site, be it or not on AWS, which turns out to be valuable if you need information that is in four different databases, as with AppSync you can grab everything and put it in one call.

AppSync uses GraphQL as its query language, allowing the connection of different information sources, whether they are inside or outside of AWS. It has a high degree of security since it can use Amazon Cognito, IAM or the different possibilities of Amazon authentication, subscriptions to do real-time apps, and serverless caching.

GraphQL and its functions

GraphQL is simplified data access and queries, which means that the client only consults the data it needs and the format it wants. Searching, filtering and querying data would be three dominant aspects in this language. It provides all the information, filters it, and offers it to you, thus increasing the system’s speed enormously, especially if it is a mobile application and it is not connected to Wi-Fi.

Another feature of GraphQL are subscriptions, which mean updates and access in real-time, which gives you the possibility to run applications instantly, for example, a chat that when you send information, the other user has to see it instantly, giving you the possibility of synchronizing many data at the correct time.

AppSync is also relevant in caching since it gives you the ability to cache endpoints and resolvers, increasing the response speed.

What are the benefits of using AppSync?

It is Effortless since you can get it up quickly, and you do not have to do server maintenance. If the application grows in size, it allows you to scale very quickly and have the entire AWS infrastructure.
It has the advantage of providing you access offline and in real-time.
Moreover, finally, unified access, which means you have resolvers, lambadas, and all services and data in one place.

Examples of possible applications to create

In a travel application where the user may or may not be connected to the Internet, especially if he is in another country, AppSync allows you to continue using the application since it will not give any error and then when connecting, it will synchronize all the information.

Unified access to data. Source: AWS https://aws.amazon.com/es/appsync/

If it is a social media app, it will use lambda issues and access to different sources of information. Today Facebook has too much information, and this will allow you to access all those information points.

Real-time collaboration. Source: AWS https://aws.amazon.com/es/appsync/

Also, in the case of chat apps, everything happens thanks to the so-called real-time subscriptions, where the user has to have an answer instantly. Thanks to the subscriptions, the request in these services is made much faster and more agile. It is also connected to amazon Cognito, which brings a further step in security.

Real-time chat application. Source: AWS https://aws.amazon.com/es/appsync/

What is the difference between GraphQL and Rest API?

GraphQL has the characteristic of having a single endpoint, allowing you to do everything from there. You have the option of giving it a query, mutation, or subscription, and the server will take care of returning that. It also gives you the possibility to bring only the information you want. For example, if you make a query and tell it that you only need one user and give it its ID, but in order that you only need three specific data, it will show you what you asked for and nothing else. Let us also think that having a single endpoint, you only have to make one call, and it brings you everything you need. Sometimes you may have the information stored in different places, so it is necessary to make several calls with Rest API to different endpoints. This brings you information that you do not need, which does not happen with GraphQL, since with its configuration, you ensure that it only shows you the relevant information you want and in the way you want. It is very optimal, especially when handling large volumes of information.

GraphQL:

A query language for APIs.
It provides you with a complete and understandable description of your API data.
It offers you the possibility of obtaining only the data you need in a single request.

Some definitions:

Schemas: facilitates how identities are decided, how they are related to each other, which ones are available to each client.
Query: it performs the queries to the single entry point (endpoint).
Mutation: insert, delete and edit elements.
Subscriptions: This allows real-time connection with the server to be immediately informed about important events.

GraphQL Query Language

You want to read data
Mutations change data
Subscriptions subscribe to real-time data

Cognito: What is it, and what is it for?

Amazon Cognito provides authentication, authorization, and user management for your mobile and web applications.
Users can log in directly with a username and password or through a third party such as Facebook, Amazon, Google or Apple (federation)
User groups and entity groups

At DinoCloud, we take care of turning a company’s current infrastructure into a modern, scalable, high-performance, and low-cost infrastructure capable of meeting your business objectives. If you want more information, optimize how your company organizes and analyzes data, and reduce costs, you can contact us here.

Nicolás Tosolini

Associate Software Engineer
@DinoCloud

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8 Reasons to Use AWS Amplify for Your Agile Mobile & Web Apps