Spring Boot Webflux + AWS DynamoDB example

A reference implementation for Spring Boot Webflux integration with AWS DynamoDB using AWS Async Client.

Technologies

1. Java 11
2. Spring Boot 2.2.2
3. Gradle 6.0.1
4. AWS SDK 2.10.40

Running AWS DynamoDB locally without Docker

Follow the steps at https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DynamoDBLocal.DownloadingAndRunning.html

1. Download the AWS DynamoDB Local JAR from above link and unzip it

2. Run the local dynamodb jar

   java -Djava.library.path=./DynamoDBLocal_lib/ 
       -jar DynamoDBLocal.jar
   

3. Create customer table in dynamodb.

   aws dynamodb create-table 
    	--table-name customers 
    	--attribute-definitions AttributeName=customerId,AttributeType=S 
    	--key-schema AttributeName=customerId,KeyType=HASH 
    	--provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5 
    	--endpoint-url http://localhost:8000
   

4. Verify the table is created.

    aws dynamodb list-tables 
      	--endpoint-url http://localhost:8000
   

   Output:

   {
         "TableNames": [
             "customers"
         ]
   }
   

Build and run

./gradlew bootRun

Tutorial

Spring Boot Webflux DynamoDB Tutorial