Almost server less url shortener

Requirements

• VPC
• Redis ElastiCache
• Lambda Functions
• API Gateway

Steps

• Create a VPC
• Create a Redis instance into the VPC
• Create the Lambda function using this project
• Create API in API Gateway ** Connect the GET or POST method to de Lambda function using a mapping like this:

#set($allParams = $input.params())
{
  "url" : "$input.params('yourURLParameter')",
  "host" : "$input.params('host')",
  "redis" : {
      "host": "YourRedisEndpoint",
      "port" : "YourRedisPort"
  }
}

*** Create the method responses for handling response **** Successful call **** NotFound error response from Lambda **** InvalidUrl error response from Lambda ** Create a resource /{PreferredNameForKey} and its action GET with a mapping like this:

#set($inputRoot = $input.path('$'))
{
  "id" : "$input.params('PreferredNameForKey')",
  "host" : "$input.params('host')",
  "redis" : {
      "host": "YourRedisEndpoint",
      "port" : "YourRedisPort"
  }
}

Usage

npm install

Create code for the shortener lambda function: grunt build

Create code for the shortener "admin" function that can paginate throw redis: grunt build:admin