This project shows how you can implement a Spring Boot API application that stores and reads data in a Dynamo DB with 2 tables (one table containing a list of other objects).
To be used as a stepping stone for other Spring Boot + Dynamo DB applications
- Biniam Asnake [email protected]
Download Local version
Install AWS CLI
Start Local Dynamo:
java -Djava.library.path=./dynamodb_local -jar ~/dev-tools/dynamodb_local/DynamoDBLocal.jar -sharedDb
Do:
aws configure AWS Access Key ID [None]: fakeMyKeyId AWS Secret Access Key [None]: fakeSecretAccessKey Default region name [None]: eu-west-01 Default output format [None]:
List tables available on DynamoDB:
aws dynamodb list-tables --endpoint-url http://localhost:8000
Dynamo UI:
npm install dynamodb-admin -g export DYNAMO_ENDPOINT=http://localhost:8000 dynamodb-admin
Browse to http://localhost:8001/
Running the app creates the tables for you. But, if you want to create Tables in Local DynamoDB (manually):
aws dynamodb create-table --table-name info --attribute-definitions AttributeName=Id,AttributeType=S --key-schema AttributeName=Id,KeyType=HASH --provisioned-throughput ReadCapacityUnits=1,WriteCapacityUnits=1 --endpoint-url http://localhost:8000
aws dynamodb create-table --table-name profile --attribute-definitions AttributeName=Id,AttributeType=S --key-schema AttributeName=Id,KeyType=HASH --provisioned-throughput ReadCapacityUnits=1,WriteCapacityUnits=1 --endpoint-url http://localhost:8000
Delete Table from Local DynamoDB:
aws dynamodb delete-table --table-name info --endpoint-url http://localhost:8000
aws dynamodb delete-table --table-name profile --endpoint-url http://localhost:8000
POST http://localhost:9898/content
{
"contents": [
{
"contentId": "83c1b410-ec14-4c2e-b165-afbf98f59627",
"value": 0,
"profileId": null,
"description": "description",
"placements": [
{
"features": "feature",
"category": [
"category1",
"category2"
],
"visible": true,
"value": 100
}
],
"expirationDate": "2021-08-06 15:01:57"
}
]
}[
{
"profile": {
"id": "profile::45a496b4-69b8-4889-912d-f3ba474d0109",
"description": "description",
"mappings": [
{
"features": "feature",
"category": [
"category1",
"category2"
],
"visible": true,
"value": 100
}
],
"lastUpdatedDate": "2021-08-31 14:22:40"
},
"info": {
"id": "info::83c1b410-ec14-4c2e-b165-afbf98f59627",
"value": 0,
"profileId": "profile::45a496b4-69b8-4889-912d-f3ba474d0109",
"expirationDate": "2021-08-06 15:01:57",
"lastUpdatedDate": "2021-08-31 14:22:40"
}
}
]
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