Check whether any certificates exist via script.

scripts/check_certificates.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Set env variables
+	
+	DOMAIN_DIR=$DOMAIN_DIR
+	CERT_DIR=$CERT_DIR
+
+create_self_signed_certificate() { 
+# generate key
+openssl req -x509 -newkey rsa:4096 -keyout $CERT_DIR/key.pem -out $CERT_DIR/cert.pem -days 365 -sha256 -nodes -subj '/CN=domain.tld'
+
+# generate dhparam file
+openssl dhparam -out $CERT_DIR/dhparam.pem 4096 
+}
+
+