The first value was a base32 string, so oauth2-proxy rejected it at startup: cookie_secret must be 16, 24, or 32 bytes to create an AES cipher, but is 56 bytes.
The first value was a base32 string, so oauth2-proxy rejected it at startup: cookie_secret must be 16, 24, or 32 bytes to create an AES cipher, but is 56 bytes.