Going Serverless with AWS

Creating applications without provisioning or managing servers

The AWS platform has a bunch of services to make your application "serverless". We will take a look at what defines something to be serverless and how we can leverage services like AWS Lambda, DynamoDB, API Gateway and S3 to build our own applications to be cost-effective, scalable and highly-available.

Transcript

1. Serverless
2. Hi! I’m Ben Ben Bridts - @benbridts 2
3. Serverless! Serverwhat? Ben Bridts - @benbridts 3
4. A Definition • No server management • Flexible Scaling • High Availability • No idle capacity (pay for value) Ben Bridts - @benbridts 4
5. But there are still wires… Ben Bridts - @benbridts 5 Photo by Daniel Korpai
6. Ben Bridts - @benbridts 6
7. Ben Bridts - @benbridts 7 image source: https://aws.amazon.com/lambda/
8. Pricing? • $0.20 per 1M requests. First 1M free. ($0.0000002 per request) • $0.00001667 per GB-second. First 400.000 free ($0.000000208 for 128MB-100ms) Ben Bridts - @benebridts 8 "Money" by free pictures of money is licensed under CC BY 2.0
9. Triggers Ben Bridts - @benbridts 9 …
10. My Code • NodeJS, Python, Ruby, Java, Go, .NET Core • Zip your dependencies (even compiled) • Configure Memory (CPU and Network follow) • Support for environment variables Ben Bridts - @benbridts 10 Photo by Markus Spiske
11. Layers • Vendor common files • Custom Runtimes: • https://aws.amazon.com/blogs/apn/aws-lambda-custom-runtime-for-php-a- practical-example/ • https://github.com/stackery/php-lambda-layer Ben Bridts - @benbridts 11 Photo by Annie Spratt
12. There is more… • Metrics • Logging • IAM • Editor • Versions • Can run in a VPC • 5GB of /tmp storage • … Ben Bridts - @bnbridts 12 Photo by Miguel Orós
13. Ben Bridts - @benbridts 13
14. Ben Bridts - @benbridts 14 image source: https://aws.amazon.com/lambda/
15. Ben Bridts - @benbridts 15 image source: https://aws.amazon.com/lambda/
16. Things I should have told you… • Cold start / warm start (outside handler / inside handler) • Lambda at Edge • Concurrency Ben Bridts - @benbridts 16
17. Tools and Frameworks • AWS SAM & SAM CLI • https://docs.aws.amazon.com/lambda/latest/dg/sam-cli-requirements.html • Serverless Framework • https://serverless.com/ • Up • https://up.docs.apex.sh/ • Cloud9 • https://docs.aws.amazon.com/cloud9/latest/user-guide/lambda- functions.html Ben Bridts - @benebridts 17
18. Ben Bridts - @benbridts 18 https://github.com/awslabs/aws-sam-cli https://github.com/awslabs/serverless-application-model image source: https://github.com/awslabs/serverless-application-model
19. ? APN Ambassador ben@cloudar.be