TL;DR notes from articles I read today.
Tips & tricks for developing a serverless cloud app
- When going serverless, focus on limiting the scope of your functions.
- Communication between your functions is important to exchange data within your app. You can either directly call another Lambda function from within a Lambda function or upload data to a service and let this service trigger another Lambda function.
- Protect your code from malfunctioning by setting up a queue, or buffer requests if necessary for uniform scalability when working with numerous services.
- Your functions have 15 minutes to run before they time out. So, the execution time for your app should be under that timeframe.
- The more memory you allocate, the more CPU power you have. The same is true for network and I/O throughput.
Full post here, 5 mins read
Serverless deployment best practices
- Keep your secret out of your source control and limit access to them. Use separate secrets for different application stages when appropriate.
- When you create IAM policies for your services, limit the roles to the minimum permissions required to operate.
- Restrict deploy times by locking down your deployments during periods you don’t want to be disturbed.
- Use a single region or a subset of regions that suit your needs to offset inconsistencies with a geographically distributed team.
- Create consistent service names for your Lambda functions. It will help you to find relevant functions easily and to tie multiple functions with a particular service faster.
Full post here, 6 mins read
Serverless for startups - it’s the fastest way to build your technology idea
- With serverless, you pay for what you use - the hidden infrastructural support for scaling is also built into the final bills.
- Scaling is handled for you. You don’t have to worry whether a function is run once a day or a million times a day.
- Startups often need to change system concept and functionality mid-way and the agility serverless structure offers is perfect for this use case.
- It allows startups to dedicate all the engineers to solve business problems and not spend time on server management & infrastructure.
- Serverless gives startups a chance to deliver quickly, and use speed and agility to their advantage.
Full post here, 7 mins read
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