Related to: torrust/torrust-index#596
Index env vars have been renamed. We have to update them here.
TORRUST_INDEX_CONFIG -> TORRUST_INDEX_CONFIG_TOML
TORRUST_INDEX_PATH_CONFIG -> TORRUST_INDEX_CONFIG_TOML_PATH
TORRUST_INDEX_TRACKER_API_TOKEN -> TORRUST_INDEX_CONFIG_OVERRIDE_TRACKER__TOKEN
TORRUST_INDEX_AUTH_SECRET_KEY -> TORRUST_INDEX_CONFIG_OVERRIDE_AUTH__SECRET_KEY
Related to: torrust/torrust-index#596
Index env vars have been renamed. We have to update them here.