localhost and 127.0.0.1 are always added to the gatekeeper cert, the current hostname will be set as default hostname, which can be changed during configuraion

dist/setup.sh

@@ -177,6 +177,7 @@ configure() {
   # configure features of cyphernode
   docker run -v $current_path:/data \
              -e DEFAULT_USER=$USER \
+             -e DEFAULT_CERT_HOSTNAME=$(hostname) \
              --log-driver=none$pw_env \
              --network none \
              --rm$interactive cyphernode/cyphernodeconf:cyphernode-0.05 $(id -u):$(id -g) yo --no-insight cyphernode$gen_options $recreate

install/generator-cyphernode/generators/app/index.js

@@ -364,7 +364,7 @@ module.exports = class extends Generator {
       gatekeeper_keys: { configEntries: [], clientInformation: [] },
       gatekeeper_sslcert: '',
       gatekeeper_sslkey: '',
-      gatekeeper_cns: '',
+      gatekeeper_cns: process.env['DEFAULT_CERT_HOSTNAME'] || '',
       proxy_datapath: '',
       lightning_implementation: 'c-lightning',
       lightning_datapath: '',

install/generator-cyphernode/generators/app/lib/cert.js

@@ -64,6 +64,8 @@ module.exports = class Cert {
 	async create( cns ) {
 		cns = cns || [];
 
+		cns = cns.concat(['127.0.0.1','localhost']);
+
 		let args = defaultArgs.slice();
 
 		const certFileTmp = tmp.fileSync();
@@ -84,9 +86,9 @@ module.exports = class Cert {
 
 		const conf = this.buildConfig( cns );
 		fs.writeFileSync( confFileTmp.name, conf );
-		
+
 		const openssl = spawn('openssl', args,  { stdio: ['ignore', 'ignore', 'ignore'] } );
-		
+
 		let code = await new Promise( function(resolve, reject) {
 			openssl.on('exit', (code) => {
 				resolve(code);