[Core] Incorrect exit code returned when entropy errors out

**Describe the bug**
When trying to run migration with the database down, the application exits with exit code 0.

**To Reproduce**
Steps to reproduce the behavior:

1. Bring the PostgresDB down.
2. Start migration using command - 
```
go run main.go migrate
echo $?
# 0
```

**Expected behavior**
should panic and exit with exit code > 0

