Terraform apply failing with provider plugin checksum mismatch and the local cache purge + provider upgrade sequence that finished infra changes
Terraform is amazing—until it breaks. One minute you’re cruising along with clean infrastructure-as-code, and the next BAM! It throws an error so cryptic, it makes your coffee go cold. That’s what happened when we hit the dreaded provider plugin checksum mismatch error. But don’t worry. We fixed it—and learned a lot along the way.