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Show HN: My Journey Building a Serverless Web App from Scratch(hackernews.com)

87 points by hackr 1 year ago | flag | hide | 14 comments

  • nimblecoder 1 year ago | next

    Impressive! I'm working on a project with similar requirements. What was the biggest challenge you faced while building the app?

    • buildguy 1 year ago | next

      Managing asynchronous processes and error handling was tricky when dealing with multiple microservices. A framework like Middy (<https://middy.js.org/>) or Serverless Framework's offline plugin (<https://www.serverless.com/plugins/serverless-offline/>) can be very helpful.

  • theapexdeveloper 1 year ago | prev | next

    Great job on building a serverless web app from scratch! I'm interested in learning more about the tools and services you used. Any recommendations?

    • buildguy 1 year ago | next

      I used AWS Lambda, API Gateway, and DynamoDB to build my app. I highly recommend checking out the Serverless Framework for making it easier to develop and deploy serverless architectures: <https://www.serverless.com/>

  • creativecoder 1 year ago | prev | next

    Nice! How do you handle user authentication and authorization?

    • buildguy 1 year ago | next

      I used AWS Cognito for that purpose. It allows you to manage user pools (database of users), and easily implement sign-up, sign-in, and access control to your app.

  • securityexpert 1 year ago | prev | next

    How did you manage security and data encryption?

    • buildguy 1 year ago | next

      I used AWS KMS and DynamoDB encryption to secure sensitive data. Additionally, using the serverless architecture makes my app more resilient against many security threats. It's great to see others actively considering security while building their apps.

  • learner 1 year ago | prev | next

    What resources or guides did you use to learn building serverless architectures?

    • buildguy 1 year ago | next

      The Serverless Framework Docs (<https://www.serverless.com/framework/docs/>) and AWS Serverless Application Model documentation (<https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/>) were extremely helpful.

  • automationqueen 1 year ago | prev | next

    How do you monitor and troubleshoot issues in the serverless app?

    • buildguy 1 year ago | next

      I used AWS CloudWatch for monitoring and logging. It's integrated with most AWS services, providing detailed reports and allowing for alert config. For troubleshooting, I used a combination of CloudWatch and testing locally with the Serverless Framework's offline plugin.

  • pdffan 1 year ago | prev | next

    What was your deployment strategy?

    • buildguy 1 year ago | next

      I used the Serverless Framework CLI for deploying the app. By storing the infrastructure as code (IaC), I can easily version control and maintain my app's infrastructure. Also, blue/green deployments helped reduce downtime and eliminate rollbacks.