PinnedHow to Use DynamoDB Single-Table Design with AppSyncAppSync is a fully managed service from AWS that lets you build and deploy scalable and secure GraphQL APIs in the cloud. DynamoDB is a NoSQL fully managed and scalable database. Both being serverless services, they are very often used together. If you are interested in DynamoDB, you have also…Appsync9 min readAppsync9 min read
Jan 4, 2022Securely Access Your AWS Resources From Github ActionsLearn how to generate short-lived credentials to access your AWS account from Github Action workflows — Security is a very important topic for all cloud engineers. Making sure that your infrastructure and data are kept out of reach of malicious people is one of the most serious things to get right. In AWS, we are used to dealing with IAM roles and permissions that make our…AWS6 min readAWS6 min read
May 17, 2021How to Handle Many to Many relations in AppSyncIn this post, I will teach you how you can handle many-to-many relations with AWS AppSync, how to avoid denormalization and still avoid the n+1 problem. TL;DR; Use a Pipeline resolver to first fetch the relations followed by a BatchGetItem operation to retrieve all related items in one single query. …Appsync6 min readAppsync6 min read
Apr 8, 20215 Ways to Prevent Accidentally Deleting Your CloudFormation ResourcesCloudFormation is an AWS service that allows you to maintain Infrastructure as Code (IaC). Whether you are using it natively (with JSON or YML) or through a third-party service such as the Serverless Framework, AWS CDK or SAM, it is a great way to make your infrastructure reproducible across various…AWS6 min readAWS6 min read
Apr 7, 2021How to Store Large Attribute Values in DynamoDBDynamoDB is a fully managed NoSQL database that delivers single-digit millisecond performance at any scale. In order to keep up with its promises, there are a couple of constraints and good practices that you need to follow. One of them is to keep your items as small as possible. This…AWS5 min readAWS5 min read
Apr 6, 2021How to use TypeScript with AppSync Lambda ResolversOne of the great benefits of GraphQL is typing! Define your schema, and GraphQL enforces the input/output “shape” of your endpoints data. If you are using Lambda as your AppSync resolvers with the node.js runtime, you might be using TypeScript, too. If you do, you might also be defining TS…Appsync5 min readAppsync5 min read
Dec 21, 2020How I used DynamoDB as a long-term cache layer for AppSyncUpdated on 2020–12–26: After posting this, I realized that it could be improved this, even more, by using DynamoDB TTL. I updated this article accordingly. While I was working on a GraphQL API, I needed a couple of resolvers hitting remote HTTP endpoints. This is rather straightforward with AppSync HTTP…Appsync7 min readAppsync7 min read
Published inHackerNoon.com·Apr 23, 2019Serverless AppSync Plugin: Top 10 New FeaturesIf you are not familiar with AppSync or the plugin yet, we suggest you to read the following posts first: Part 1: Introduction: GraphQL endpoints with API Gateway + AWS Lambda Part 2: AppSync Backend: AWS Managed GraphQL Service Part 3: AppSync Frontend: AWS Managed GraphQL Service Part 4: Serverless AppSync Plugin…Aws Appsync7 min readAws Appsync7 min read
