AWS Lambda auto deployment pipeline for GO (Golang)

gitlab.ci.yaml

stages:
  - test
  - deploy

test:
  stage: test
  image: golang:1.15-alpine
  script:
    - apk add build-base
    - go test $(go list ./... | grep -v /vendor/)
  only:
    - master
    - merge_requests
  tags:
    - gitlab-runner

deploy:
  stage: deploy 
  image: golang:1.15-alpine
  before_script:
    - apk update && apk add zip
  script:
    - |
        apk add --no-cache \
        python3 \
        py3-pip \
        && pip3 install --upgrade pip \
        && pip3 install \
            awscli \
        && rm -rf /var/cache/apk/*
    - GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o main .
    - zip <PACKAGE_NAME> main
    - |
       aws lambda update-function-code \
        --function-name <PACKAGE_NAME> \
        --zip-file fileb://<PACKAGE_NAME>.zip \
  only:
    - master
  tags:
    - gitlab-runner