Coffee Prices Soar After Bad Harvests and Insatiable Demand

Drought in Brazil and port delays in other countries lead the USDA to expect "consumption ... to exceed production this year for the first time since 2017". (WSJ, July 2021)

1. Does the article describe a shortage or surplus of coffee?
2. Was coffee scarce before the drought and port delays?
3. In what sense is demand "insatiable"?