setup local environment to test the package

go mod edit -replace omatech.com/urlchecker=../urlchecker
go mod tidy

start up and download dependencies

go mod init main
go clean -modcache
go get github.com/aws/aws-lambda-go/lambda
go get github.com/aws/aws-sdk-go/aws
go get github.com/aws/aws-sdk-go/aws/session
go get github.com/aws/aws-sdk-go/service/s3
go get github.com/aws/aws-lambda-go/events
go get -u github.com/aws/aws-lambda-go/cmd/build-lambda-zip
go get github.com/omatech/urlchecker

run with

export URL_CHECKER_SECRET="Test Secret String"
go run main.go

test with

export URL_CHECKER_SECRET="Test Secret String"
go test

compile with:

MacOS

GOOS=linux go build -o main main.go
zip main.zip main

Windows

$env:GOOS = "linux"
$env:CGO_ENABLED = "0"
$env:GOARCH = "amd64"
go build -o main main.go

Then zip only main to main.zip

Environment variables

Mandatory:

URL_CHECKER_SECRET="Super secret String"

Optional (default):

MAX_SECONDS	(172800)
TIMEZONE	(UTC)
SOURCE_URL_BASE	(https://www.google.com)
TOKEN_MISMATCH_ERROR	(Token mismatch)
URL_TOO_OLD_ERROR	(Url too old)