Example Secure Counter Server

Example server for amazon-cognito-identity-dart.

Getting Started

1. Clone repository.

   git clone [email protected]:jonsaw/example-secure-counter-server.git
   

2. Setup DynamoDB Table.

   Properties:
     TableName: counter-dev
     AttributeDefinitions:
       - AttributeName: userId
         AttributeType: S
     KeySchema:
       - AttributeName: userId
           KeyType: HASH
     ProvisionedThroughput:
       ReadCapacityUnits: 1
       WriteCapacityUnits: 1
   

3. Get dependencies and build.

   make
   

4. Install serverless.

   npm install serverless -g
   

5. Deploy & take note of API Endpoint Id.

   serverless deploy
   

6. Setup AWS Cognito.

7. Give AWS IAM Role access to Lambda function. Replace xxxxxxxxxx with Endpoint Id.

   {
     "Version": "2012-10-17",
     "Statement": [
       {
         "Effect": "Allow",
         "Action": [
           "mobileanalytics:PutEvents",
           "cognito-sync:*",
           "cognito-identity:*"
         ],
         "Resource": [
           "*"
         ]
       },
       {
         "Effect": "Allow",
         "Action": [
           "execute-api:Invoke"
         ],
         "Resource": [
           "arn:aws:execute-api:ap-southeast-1:*:xxxxxxxxxx/*"
         ]
       }
     ]
   }