Production-Ready Serverless

Place orders and accept/reject them done with Serverless Framework using AWS Lambda, API Gateway, DynamoDB, EventBridge, SNS, Cognito, SSM & SQS

▶️ Demo site

1. Register

2. Place orders clicking in restaurants

3. Simulate restaurant response accepting or rejecting them curling like this:

   API=https://lrmnkd5aj8.execute-api.us-east-1.amazonaws.com/prod/order
   ACCEPTANCE_URL=${API}/acceptance
   ORDER=<your order>
   ACCEPTANCE=order_accepted
   # or
   ACCEPTANCE=order_rejected 
   curl -d '{"orderId":"'"${ORDER}"'", "acceptance":"'"${ACCEPTANCE}"'"}' -H "Content-Type: application/json" -X POST $ACCEPTANCE_URL

4. In the case you accepted the order you can complete it

5. Once you complete or reject the order you can delete it curling like this:

   DELETE_URL=${API}/delete
   ORDER=<your order>
   curl --request GET \
     --url $DELETE_URL/$ORDER

Deployment instructions

1. Use Node 20 version, using nvm you can:

   # set Node 20 in current terminal
   nvm use 20
   # set Node 20 as default (new terminals will use 20)
   nvm alias default 20
   

2. Install dependencies and deploy on your stage (provided you configured your AWS credentials)

   npm i
   # deploy on dev stage
   npm run sls -- deploy
   # ...to deploy on prod stage
   npm run sls -- deploy -s prod

3. Configure these parameters in AWS Systems Manager > Parameter Store:

   /prsls/${stage}/get-restaurants/config:

   {
      "defaultResults": 8
   }

   /prsls/${stage}/search-restaurants/config:

   {
      "defaultResults": 8
   }

4. Populate the database with restaurants:

   export restaurants_table=<DynamoDB table for the stage>
   node -e 'require("./tests/steps/given.js").eight_initial_restaurants()'