dynamoid VS AWS SDK for Ruby

To interact with the Dynamodb table I used a gem called dynamoid. I created a Connection model in order to use it like Connection.create(connection_id) and Connection.find(connectionId).delete.

There is a lot more to learn about the Dynamoid gem, but hopefully, this is enough to get you started playing around. I encourage you to check out the official GitHub page here to read more about the features available to you!

Working with DynamoDB in Ruby can be painful compared to how easy it is to configure and use SQL databases via ActiveRecord. Fortunately there's a way to speed things up thanks to Dynamoid gem which introduces ActiveRecord-like abstractions for interacting with DynamoDB.

In Ruby 3.2, "Fill.exists" was removed. brew will automatically install the most recent version of Ruby when you perform a brew install cocoapods, which is why you encounter this problem.

To those looking for this information officially, you can get it from the JSON files that describe every API that is in the SDK. Here's a link to that subtree in the Ruby SDK. You could write a parser to go through all the JSON files and grab this information, which is probably what others did.

Ruby SDK: https://github.com/aws/aws-sdk-ruby/pull/2553

Finally, for the purpose of this series, you will need to have installed Ruby, as well as the AWS SDK for Ruby.

AWS Lambda supports seven different languages in which you can code, including Ruby. Here, we will be using AWS Ruby-sdk to connect to DynamoDB.

We can re-use the same EC2 client stub response because Aws::EC2::Resource#instances implementation it's just a wrapper around the Aws::EC2::Client#describe_instances method, so the underlying EC2 API call is the same. Snippet code from https://github.com/aws/aws-sdk-ruby: