VESPA_TLS_ENABLED="1"; export VESPA_TLS_ENABLED;
VESPA_TLS_CA_CERT="/path/to/cacerts"; export VESPA_TLS_CA_CERT;
VESPA_TLS_CERT="/path/to/certificate"; export VESPA_TLS_CERT;
VESPA_TLS_PRIVATE_KEY="/path/to/key"; export VESPA_TLS_PRIVATE_KEY;
VESPA_TLS_HOSTNAME_VALIDATION_DISABLED="1"; export VESPA_TLS_HOSTNAME_VALIDATION_DISABLED;