This skeleton creates a usable url to insert into slack slash configuration
Make sure you have installed make.
make --version
If you are on Windows check this out https://chocolatey.org/packages/make
Copy config_example.mk and rename it to config.mk and fill out every field
make bucket
make build
make deploy
make delete
Hint: "make delete" will not delete the S3 Bucket you created with "make bucket"
Copy the URL from Output of the created Cloudformation Stack into the slack slash configuration field for the URL.