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- #NODE.JS HOW TO CONNECT TO THE LOCAL DYNAMODB INSTALL#
- #NODE.JS HOW TO CONNECT TO THE LOCAL DYNAMODB CODE#
GraphQL seems to fit well with relational databases partly because it is assumed by a lot of the documentation, tutorials, and examples. The case against using GraphQL with DynamoDB is a little more nuanced. Future pain that only grows if your application grows. You are trading the up-front pain of learning something hard to save yourself from future pain. DynamoDB is serverless-friendly by design.
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Where do you stand up that SQL database? How do you manage connections to it? These things just don’t mesh with the serverless model very well.
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But SQL databases are not the best fit with serverless applications. I agree the learning curve feels very steep. The main objection to DynamoDB is that it is hard to learn, but few people argue about its power. The main objections to DynamoDB and GraphQL Maybe when we’re done you might consider giving DynamoDB a second look. To show you what I mean, let’s build an API from start to finish - without any heavy Object Relational Mapper (ORM) or GraphQL framework to hide what is really going on. But after learning and using DynamoDB, I see the benefits of it for projects of any scale. That was my assumption, too, and I tried to stick with a SQL database for my serverless apps. It’s often dismissed by folks who consider it only worth the effort “at scale.” The first two are well-loved, but DynamoDB is often misunderstood or actively avoided. Running the Spring Boot Applicationįirst, we start LocalStack with docker-compose as we did before.Serverless, GraphQL, and DynamoDB are a powerful combination for building websites. It allows me to create and clean up all the resources with a single command at the end of the exercise following the principles of Infrastructure as Code. I prefer this approach instead of creating the resources individually from the console. I created the AWS resources - S3 Bucket and DynamoDB table using a cloudformation template. In the method getDdbClient(), we pass this variable to the endpointOverride() method in the DynamoDbClientBuilder class only if the variable awsLocalEndpoint has a value which is the case when using the local profile. The value is set only when we run our application using the local profile, else it has the default value null. We inject the URL of LocalStack from the configuration parameter.
#NODE.JS HOW TO CONNECT TO THE LOCAL DYNAMODB INSTALL#
We first install the LocalStack package using pip:Ĭontainer_name: "$ LocalStack usually runs inside a Docker container, but we can also run it as a Python application instead.
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#NODE.JS HOW TO CONNECT TO THE LOCAL DYNAMODB CODE#
This article is accompanied by a working code example on GitHub. If you want to go deeper and learn how to deploy a Spring Boot application to the AWS cloud and how to connect it to cloud services like RDS, Cognito, and SQS, make sure to check out the book Stratospheric - From Zero to Production with Spring Boot and AWS! Example Code This article gives only a first impression of what you can do with AWS.