Uptime monitor

Environment variables:

TIMEOUT - Timeout in seconds
DYNAMO_TABLE_EXECUTIONS - DynamoDB table name in which uptime's executions are stored
DYNAMO_TABLE_STATUS - DynamoDB table name in which uptime's status is stored
SNS_TOPIC - ARN of SNS topic to which are published changes of uptime's status

Build

Make sure you have installed build-lambda-zip tool.
In order to install it, run:

$ go get -u github.com/aws/aws-lambda-go/cmd/build-lambda-zip

For building lambda ZIP file use provided Makefile, run:

$ make

after successful build, AWS lambda zip and executable are present in the build directory.

Note, that subsequent make call, will clean (delete) the build directory.