Add exponential backoff for Slack requests #135
Merged
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Adds a 30 second retry to POST requests made to Slack's API, in the event that Slack experiences an intermittent failure.
Closes #94
This does not retry locally on http requests to Concourse itself (for build data,
fixed
/broke
type). Not sure if we'd want to add that there as well, perhaps with a shorter back off?