Add native support for SSO configuration through environment variables
and Docker secrets, eliminating the need to modify configuration.py
for common SSO providers.
Changes:
- Add OKTA OpenID Connect configuration variables:
- SOCIAL_AUTH_OKTA_OPENIDCONNECT_KEY (env var)
- SOCIAL_AUTH_OKTA_OPENIDCONNECT_SECRET (env var + Docker secret: okta_openidconnect_secret)
- SOCIAL_AUTH_OKTA_OPENIDCONNECT_API_URL (env var)
- Add Google OAuth2 configuration variables:
- SOCIAL_AUTH_GOOGLE_OAUTH2_KEY (env var)
- SOCIAL_AUTH_GOOGLE_OAUTH2_SECRET (env var + Docker secret: google_oauth2_secret)
Follows existing patterns with _read_secret() for sensitive data and
environ.get() for non-sensitive configuration.
Resolves: netbox-community/netbox-docker#1139
