README.rst

Serverless Golang

• AWS Lambda:
  • slides in revealjs
  • pdf export of slides
• TBD more about testing
• TBB Google Cloud Functions
• TBD Kubeless

Feedback? Questions? Do not hesitate to send me an email. Helpful? Give a LIKE to a LinkedIn post about this talk or a STAR to this github repo.

Golang AWS Lambda with Serverless and SAM

Hello-worder:

brew tap aws/tap
brew install aws-sam-cli

mkidr $GOPATH/github.com/wojciech12/planning-poker
cd $GOPATH/github.com/wojciech12/planning-poker
npm install -g serverless
serverless create -t aws-go-dep

cat > template.yml <<EOF

AWSTemplateFormatVersion : '2010-09-09' Transform: AWS::Serverless-2016-10-31 Description: A hello world application. Resources: HelloWorldFunction: Type: AWS::Serverless::Function Properties: Handler: bin/hello Runtime: go1.x Events: Vote: Type: Api Properties: Path: / Method: get

EOF

Test locally:

sam local start-api
sam local start-api --env-vars env.json
sam local generate-event apigateway authorizer > event.json
sam local invoke "HelloWorldFunction" -e event.json

sam local generate-event apigateway authorize

see:

• https://docs.aws.amazon.com/lambda/latest/dg/kinesis-tutorial-spec.html
• https://stackoverflow.com/questions/52251075/how-to-pass-parameters-to-serverless-invoke-local

curl  http://127.0.0.1:3000/hello
curl  http://127.0.0.1:3000/hello/wojtek
curl  http://127.0.0.1:3000/hello?name=wojtek

python3 -m venv .venv
source .venv/bin/activate
pip install localstack

Related work

• https://github.com/serverless/serverless-golang
• https://hackernoon.com/lessons-learned-a-year-of-going-fully-serverless-in-production-3d7e0d72213f
• https://dev.to/yos/getting-started-with-serverless-go--1lff
• https://epsagon.com/blog/the-most-popular-deployment-tools-for-serverless/
• https://docs.aws.amazon.com/lambda/latest/dg/lambda-go-how-to-create-deployment-package.html
• https://www.alexedwards.net/blog/serverless-api-with-go-and-aws-lambda