diff --git a/install/generator-cyphernode/generators/app/index.js b/install/generator-cyphernode/generators/app/index.js
index 1fd4e83..f0fafbb 100644
--- a/install/generator-cyphernode/generators/app/index.js
+++ b/install/generator-cyphernode/generators/app/index.js
@@ -3,6 +3,7 @@ const Generator = require('yeoman-generator');
 const chalk = require('chalk');
 const fs = require('fs');
 const wrap = require('wordwrap')(86);
+const validator = require('validator');
 
 module.exports = class extends Generator {
 
@@ -10,89 +11,134 @@ module.exports = class extends Generator {
     super(args, opts);
 
     this.props = {
-      name: 'supercollider-project',
-      type: 'simple',
-      description: ''
+
     };
   }
 
-  /*
-  prompting() {
+  /* values */
 
-    const prompts = [
-      {
-        type: 'confirm',
-        name: 'someAnswer',
-        message: 'Would you like to enable this option?',
-        default: true
-      }
-    ];
-
-    return this.prompt(prompts).then(props => {
-      // To access props later use this.props.someAnswer;
-      this.props = props;
-    });
+  _isChecked( name, value ) {
+    return value=='bitcoin';
+  }
+
+  _getConfirmDefault( name ) {
+    return true;
+  }
+
+  _getListDefault( name ) {
+    return 'lnd';
+  }
+
+  _getInputDefault( name ) {
+    return '';
+  }
+
+  /* validators */
+  _ipValidator( ip ) {
+    return validator.isIP((ip+"").trim());
+  }
+
+  /* filters */
+
+  _trimFilter( input ) {
+    return input.trim();
+  }
+
+  /* prompts */
+  _configureFeatures() {
+    return [{
+      // https://github.com/SBoudrias/Inquirer.js#question
+      // input, confirm, list, rawlist, expand, checkbox, password, editor
+      type: 'checkbox',
+      name: 'features',
+      message: wrap('What features do you want to add to your cyphernode?')+'\n',
+      choices: [
+        {
+          name: 'Bitcoin full node',
+          value: 'bitcoin',
+          checked: this._isChecked( 'features', 'bitcoin' )
+        },
+        {
+          name: 'Lightning node',
+          value: 'lightning',
+          checked: this._isChecked( 'features', 'lightning' )
+
+        },
+        {
+          name: 'Open timestamps server',
+          value: 'ots',
+          checked: this._isChecked( 'features', 'ots' )
+        }
+
+      ]
+    }];
+  }
+
+  _configureBitcoinFullNode() {
+    return [{
+      when: function(answers) {
+        return answers.features && 
+          answers.features.indexOf( 'bitcoin' ) != -1;
+      },
+      type: 'confirm',
+      name: 'bitcoin_prune',
+      default: this._getConfirmDefault( 'bitcoin_prune' ),
+      message: wrap('Run bitcoin node in prune mode?')+'\n',
+    },
+    {
+      when: function(answers) {
+        return answers.features && 
+          answers.features.indexOf( 'bitcoin' ) != -1;
+      },
+      type: 'input',
+      name: 'bitcoin_external_ip',
+      default: this._getInputDefault( 'bitcoin_external_ip' ),
+      validate: this._ipValidator,
+      message: wrap('What external ip does your bitcoin full node have?')+'\n',
+    }];
+  }
+
+  _configureLightningImplementation() {
+    return [{
+      when: function(answers) {
+        return answers.features && 
+          answers.features.indexOf( 'lightning' ) != -1;
+      },
+      type: 'list',
+      name: 'lightning_implementation',
+      default: this._getListDefault( 'lightning_implementation' ),
+      message: wrap('What lightning implementation do you want to use?')+'\n',
+      choices: [
+        {
+          name: 'C-lightning',
+          value: 'c-lightning'
+        },
+        {
+          name: 'LND',
+          value: 'lnd'
+        }
+      ]
+    }];
+  }
+
+  _configureCLightning() {
+    return [{}];
+  }
+
+  _configureLND() {
+    return [{}];
   }
-  */
 
-//  fountainPrompting() {
   prompting() {
     const splash = fs.readFileSync(this.templatePath('splash.txt'));
     this.log(splash.toString());
 
-    var prompts = [
-      {
-        // https://github.com/SBoudrias/Inquirer.js#question
-        // input, confirm, list, rawlist, expand, checkbox, password, editor
-        type: 'checkbox',
-        name: 'features',
-        message: wrap('What features do you want to add to your cyphernode?')+'\n',
-        choices: [
-          {
-            name: 'Bitcoin full node',
-            value: 'bitcoin'
-          },
-          {
-            name: 'Lightning node',
-            value: 'lightning'
-          },
-          {
-            name: 'Open timestamps server',
-            value: 'ots'
-          }
-
-        ]
-      },
-      {
-        when: function(answers) {
-          return answers.features && 
-            answers.features.indexOf( 'bitcoin' ) != -1;
-        },
-        type: 'confirm',
-        default: false,
-        name: 'lightning_implementation',
-        message: wrap('Run bitcoin node in prune mode?')+'\n',
-      },
-      {
-        when: function(answers) {
-          return answers.features && 
-            answers.features.indexOf( 'lightning' ) != -1;
-        },
-        type: 'list',
-        name: 'lightning_implementation',
-        message: wrap('What lightning implementation do you want to use?')+'\n',
-        choices: [
-          {
-            name: 'C-lightning',
-            value: 'c-lightning'
-          },
-          {
-            name: 'LND',
-            value: 'lnd'
-          }
-        ]
-      }
-    ];
+    var prompts = 
+      this._configureFeatures()
+      .concat(this._configureBitcoinFullNode())
+      .concat(this._configureLightningImplementation())
+      //.concat(this._configureCLightning())
+      //.concat(this._configureLND())
 
     return this.prompt(prompts).then(props => {
       this.props = Object.assign(this.props, props);
@@ -100,6 +146,7 @@ module.exports = class extends Generator {
   }
 
   writing() {
+    console.log( JSON.stringify(this.props, null, 2));
     /*
     this.fs.copy(
       this.templatePath('dummyfile.txt'),
diff --git a/install/generator-cyphernode/package.json b/install/generator-cyphernode/package.json
index 851db5e..32d63bd 100644
--- a/install/generator-cyphernode/package.json
+++ b/install/generator-cyphernode/package.json
@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "chalk": "^2.1.0",
+    "validator": "^10.8.0",
     "wordwrap": "^1.0.0",
     "yeoman-generator": "^2.0.1"
   },
diff --git a/install/script/cyphernodeconf.sh b/install/script/cyphernodeconf.sh
index 7868522..f5644a9 100755
--- a/install/script/cyphernodeconf.sh
+++ b/install/script/cyphernodeconf.sh
@@ -9,10 +9,8 @@
 
 cyphernodeconf_configure() {
 	local current_path="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
-	local data_path=$current_path/../data
-	local docker_image="cyphernodeconf:latest"
 
-	docker run -v $data_path:/data \
+	docker run -v $current_path/../data:/data \
 	           --log-driver=none\
-	           --rm -it $docker_image
+	           --rm -it cyphernodeconf:latest
 }
\ No newline at end of file
diff --git a/install/script/install.sh b/install/script/install.sh
index b94d2da..a94aaef 100755
--- a/install/script/install.sh
+++ b/install/script/install.sh
@@ -24,3 +24,5 @@ build_docker_image ../ cyphernodeconf && clear && echo "Thinking..."
 
 # configure features of cyphernode
 cyphernodeconf_configure
+
+#docker image rm cyphernodeconf:latest