tuluxmu/Serverless-nodejs

This project is for Serverless Sharing

1. First
   1. Create a new service

$ serverless create --template aws-nodejs --path my-service

2. Deploy
   1. Getting your AWS credentials using OKTA CLI

~/.okta/awscli sts get-caller-identity
serverless deploy --aws-profile okta-rnd-team_524621635179

2. Second
   1. Lambda
      1. Trigger Events
         1. S3 bucket upload
         2. an SNS topic
         3. HTTP endpoints created via API Gateway
         4. ...
      2. Invoke Lambda Function Locally

serverless invoke local --function hello

2. API Gateway 1. Add Trigger Event

    events:
     - http:
         path: index
         method: get

How to lauch serverless locally

serverless offline

3. DynamoDB
4. AWS Resources Anything that can be defined in CloudFormation is supported by the Serverless Framework
5. Launch DynamoDB Locally

var putParams = {
    TableName: 'testTable',
    Item: { 
        userId: 'Lucy.Tu'
    }
};
docClient.put(putParams, function(err, data) {
    if (err) {
         console.log('===err', err);
    }
    else {
        console.log('successfully!');
    }
});

How to Start and Remove Dynamodb Locally

In CLI:
Start: sls dynamodb start
Remove: sls dynamodb remove
In Your JS File:
new AWS.DynamoDB.DocumentClient({
    region: 'localhost',
    endpoint: 'http://localhost:8000'
})

4. The way of deployment
   1. Packaging service
   2. Excluding development dependencies
   3. Creating Stack
   4. Checking Stack create progress
   5. Uploading CloudFormation file to S3
   6. Uploading artifacts
   7. Uploading service serverless-nodejs.zip file to S3
   8. Validating template
   9. Updating Stack