AWS Lambdas: Netlify With Create React App

Project Init

npm install netlify-cli -g

📖 Official Netlify Docs: Installation

npx create-react-app netlify-with-create-react-app && cd $_

1. Log Hello World

netlify init

netlify functions:create hello-world

netlify dev

⚠️ Something is already running on port xxxx.
killall node

📖 Official Netlify Docs: Get started with Netlify Dev

📖 Official Netlify Docs: Build serverless functions with JavaScript

📖 Official Netlify Docs: Playground: Hello, World!

📖 Official Netlify Docs: functions:create

2. Deploy Hello World

netlify deploy

⚠️ Error: No such directory › Did you forget to run a build?
Set your Directory to Deploy as blank or "." during init, or through the web dashboard in Site Settings: Build & Deploy.

📖 Official Netlify Docs: Configure and deploy Functions

3. Pass URL Params

exports.handler = async (event, context) => {
  const name = event.queryStringParameters.name || "World";

  return {
    statusCode: 200,
    body: `Hello ${name}`,
  };
};

📖 Official Netlify Docs: Playground: Hello, {name}

4. Install NPM Packages

npm i @astrajs/collections

5. Set Env Values

const handler = async (event) => {
  try {
    const region = process.env.ASTRA_DB_REGION
    const subject = event.queryStringParameters.name || 'World'
    return {
      statusCode: 200,
      body: JSON.stringify({ message: `Hello, ${subject}. Region: ${region}` }),
    }
  } catch (error) {
    return { statusCode: 500, body: error.toString() }
  }
}

netlify dev

📖 Official Netlify Docs: Environmental Variables

6. Test Token

const { createClient } = require("@astrajs/collections");

const handler = async (event) => {
  try {
    const region = process.env.ASTRA_DB_REGION

    // create an Astra client  
    const astraClient = await createClient({
      astraDatabaseId: process.env.ASTRA_DB_ID,
      astraDatabaseRegion: process.env.ASTRA_DB_REGION,
      applicationToken: process.env.ASTRA_DB_APPLICATION_TOKEN,
    });

    const subject = event.queryStringParameters.name || 'World'

    return {
      statusCode: 200,
      body: JSON.stringify({ 
        message: `Hello, ${subject}. 
                  Region: ${region}.
                  Astra Token: ${astraClient.restClient.applicationToken}.` }),
    }
  } catch (error) {
    return { statusCode: 500, body: error.toString() }
  }
}

module.exports = { handler }

7. Deploy Authenticated

netlify deploy