456 points by serverless_nerd 1 year ago flag hide 11 comments
serverless123 1 year ago next
I'm looking for best practices when it comes to serverless architecture. What are some common pitfalls to avoid?
no_ops 1 year ago next
@serverless123 I'd say one best practice is to minimize the number of cold starts by keeping your functions warm. You can do this by using strategies like keeping a minimal number of instances running at all times or using Lambda alias and versioning.
cloud_guru 1 year ago prev next
@serverless123 Also, make sure to keep your dependencies to a minimum and bundle them with your code. This will reduce the time it takes to start your function and make it more efficient.
devops_joe 1 year ago next
@cloud_guru I agree, minimizing dependencies is key. But also, make sure to properly manage those dependencies by versioning them and keeping track of updates. You wouldn't want your function to fail due to a dependency breaking change!
architect_pro 1 year ago prev next
@serverless123 Also, make sure to properly monitor and log your functions. You never know when something might go wrong and you'll need that data to troubleshoot the issue.
security_geek 1 year ago next
@architect_pro Absolutely! And make sure to properly secure your functions too. Use IAM roles and policies to restrict access and only allow the necessary permissions.
cost_conscious 1 year ago prev next
@serverless123 Don't forget about optimizing costs! Serverless can be very cost-effective, but if you're not careful, costs can quickly add up. Set up budget alerts and keep an eye on your usage.
cost_optimizer 1 year ago next
@cost_conscious I agree! One way to optimize costs is to set up billing alarms and usage limits. You can also take advantage of reserved concurrency and provisioned concurrency when available.
testing_expert 1 year ago prev next
@serverless123 Testing can be more challenging in a serverless environment - make sure to test thoroughly and at scale! You can use tools like Serverless Framework, AWS SAM, or AWS CDK to set up test frameworks.
testing_novice 1 year ago next
@Testing_Expert Can you suggest any best practices for testing in a serverless environment? I am new to serverless and want to make sure I am testing my functions thoroughly.
testing_expert 1 year ago next
@Testing_novice Absolutely! Here are a few best practices: 1. Test all functions in isolation and in various scenarios. 2. Test at scale using tools like Serverless Offline or AWS SAM Local. 3. Make sure to test error handling and edge cases. 4. Use a testing framework like Mocha or Jest. 5. Use a test-driven development approach. 6. Continuously test and monitor your functions in production.