load-failures.txt

3 configuration errors:

error: duplicate key `a`
  --> key `a` in YAML source string at line 2, column 1

error: syntax error: parse error: unexpected end-of-line
  --> top level in TOML source string at line 1, column 5

error: `APP_DB` conflicts with `APP_DB__HOST`: one sets a value where the other needs a dictionary
  --> key `db` (`APP_DB`) in environment variables (prefix APP_)