TL;DR
Create a backup:
pg_dumpall > mybackup.sqlPerform the upgrade:
sudo pg_dropcluster 9.4 main --stop| ssh-keygen -t rsa -b 4096 -m PEM -f jwtRS256.key | |
| # Don't add passphrase | |
| openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub | |
| cat jwtRS256.key | |
| cat jwtRS256.key.pub | 
TL;DR
Create a backup:
pg_dumpall > mybackup.sqlPerform the upgrade:
sudo pg_dropcluster 9.4 main --stop| class CustomAuthFailure < Devise::FailureApp | |
| def respond | |
| self.status = 401 | |
| self.content_type = 'json' | |
| self.response_body = {"errors" => ["Invalid login credentials"]}.to_json | |
| end | |
| end |