AWS: Events
Review, Research, and Discussion
Describe the similarities between AWS API Gateway + Lambda functions and an ExpressJS Server
- with express server you can build an API-server & write the functions for each route to respond each of them.
- same fynctionality you can done by Lambda & API-Gateway services. Lambda will represents the function that will respond to one route and API-Gateway will create your own API-server with HTTP protocol and will link each route with its Lambda function.
List the AWS Database offerings and talk about the pros and cons of each
What’s the difference between a FIFO and a standard queue?
How can the server be assured a message was properly received?
- by logging tools or tests.
Document the following Vocabulary Terms
Serverless API : this API that will can create it without writing any line of codeing, and will run without thinking of maintaining server.
Triggers : an action that when happaen will run a function to do something.
Dynamo vs Mongo : Dynamo is AWS NoSql database service. Mongo is a service that uses MongoDB service.
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in Dynamo you can use this database with other AWS services but in Mongon only you can use with your own servers and APIs.
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this link contains full comparison betwwen them :
Dynamoose vs Mongoose : both of them are npm package that allow you to control of your NoSql database.
- Dynamoose for DynamoDB.
- Mongoose for MongoDB.
Preparation Materials
SQS and SNS Basics
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messaging : from message prodeucer to processing the to message consumer.
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queues : queue used to handle messages with FIFO & standard queues.
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pub/subs : messages will be linked with publisher/subscriber events by topic, to send the same message for one or more recievers based on the topic.
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AWS SNS service : it is an AWS service, simple notification service.
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AWS SQS service : another AWS service, simple queing service
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stream : like queue, order the messages but without deleting, and you can delete them when ever you want.
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Amazon Kinesis : AWS service for stream.
SQS features :
- long polling : instant push deliveries of messages.
- server side encryption
- Dead letter queues
- esay monitoring, with clou watch, with alarming.
- integrated with other AWS services as destination.
SNS features :
- multiple transports.
- customizable delivery retries for HTTP.
- failure notifications
- esay monitoring, with clou watch, with alarming.
- integrated with other AWS services as destination.
