alexcasalboni

const AWS = require('aws-sdk');

const pricing = new AWS.Pricing({region: 'us-east-1'});

const main = async () => {

    const output = {};
 
    const prices = await pricing.getProducts({
        ServiceCode: "AmazonStates",

alexcasalboni

# config
BUCKET_NAME=your-bucket-name
STACK_NAME=lambda-power-tuning-demo

# package
sam package --s3-bucket $BUCKET_NAME --template-file template.yml --output-template-file packaged.yml

# deploy
sam deploy --template-file packaged.yml --stack-name $STACK_NAME --capabilities CAPABILITY_AUTO_EXPAND CAPABILITY_IAM

alexcasalboni

{
    "DocumentId": "Italy-document-ID",
    "Attributes": {
        "_category": "countries",
        "_created_at": "2009-12-10T06:00:00",
        "_last_updated_at": "2019-12-10T06:00:00",
        "_version": "3.0",
        "_view_count": 40000
    },
    "Title": "Italy Wikipedia",

alexcasalboni

AWSTemplateFormatVersion : '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Parameters:
  Subnets:
    Type: List<AWS::EC2::Subnet::Id>
  VpcId:
      Type: AWS::EC2::VPC::Id

Resources:

alexcasalboni

import json

def lambda_handler(event, context):
    name = get_name(event)  # extract inputs
    message = get_message(name)  # business logic
    return build_response(message)  # format output for ALB

def get_name(event):
    # fetch inputs from event (could be missing)
    return event['queryStringParameters'].get('name')

alexcasalboni

def handler(event, context):
    input = extract_input_from_event('ALB', event)
    output = my_business_logic(input)
    return format_output_for('ALB', output)

def extract_input_from_event(alb_or_apigw, event):
    # extract data from input event
    
def format_output_for(alb_or_apigw, output):
    # return a json object

alexcasalboni

{
    "statusCode": 200,
    "statusDescription": "200 OK",
    "isBase64Encoded": false,
    "headers": {
        "Content-Type": "application/json"
    },
    "body": "{\"message\": \"Hello world!\"}"
}

alexcasalboni

{
    "requestContext": {
        "elb": {
            "targetGroupArn": "arn:aws:elasticloadbalancing:XXX:YYY:targetgroup/lambda-ZZZ"
        }
    },
    "httpMethod": "GET",
    "path": "/my-new-feature",
    "queryStringParameters": {
        "id": "123"

alexcasalboni

AWSTemplateFormatVersion : '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Resources:

  myHookFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      # ... 
      # all the other properties here

alexcasalboni

const https = require("https");

/* FB configuration */
const FB_ACCESS_TOKEN = "EAF...DZD";
const FB_PSID = "facebookMessengerPsid";
const FB_REQUEST = {
    host: "graph.facebook.com",
    path: "/v2.6/me/messages?access_token=" + FB_ACCESS_TOKEN,
    method: "POST",
    headers: {