# ── PEM files (recommended for Let's Encrypt / certbot) ── CERT_FILE=fullchain6.pem PRIVKEY_FILE=privkey.pem # Leave empty if the private key has no passphrase PRIVKEY_PASSWORD= # ── Alternative: PKCS#12 ── # PKCS12_FILE=certificate.p12 # PKCS12_PASSWORD=changeit # ── Signature metadata ── SIGNATURE_NAME=John Doe SIGNATURE_REASON=Approved SIGNATURE_LOCATION=Berlin, Germany SIGNATURE_CONTACT=john@example.com