diff --git a/app/index.js b/app/index.js
index 38286a1..fbd0651 100644
--- a/app/index.js
+++ b/app/index.js
@@ -28,10 +28,6 @@ module.exports = class extends Generator {
 
   constructor(args, opts) {
     super(args, opts);
-    
-    if ( typeof opts.bluemix.quiet == "undefined" || ! opts.bluemix.quiet ) { 
-      logger.info("Package info ::", Bundle.name, Bundle.version);
-    } 
 
     //  bluemix option for YaaS integration
     this.argument(OPTION_BLUEMIX, {
@@ -55,10 +51,15 @@ module.exports = class extends Generator {
     let bluemix_ok= this._sanitizeOption(this.options, OPTION_BLUEMIX);
     let spec_ok= this._sanitizeOption(this.options, OPTION_SPEC);
     if ( ! (bluemix_ok || spec_ok )) throw ("Must specify either bluemix or spec parameter");  
+            
+    if ( typeof this.options.bluemix.quiet == "undefined" || ! this.options.bluemix.quiet ) { 
+      logger.info("Package info ::", Bundle.name, Bundle.version);
+    } 
+    
     let appName = this.options.bluemix.name || this.options.spec.appname;
     this.options.sanitizedAppName = this._sanitizeAppName(appName);
-    this.options.openApiFileType= "yaml"; // default 
     this.options.genSwagger= false; 
+    this.options.openApiFileType= "yaml"; // default 
 
     this.options.parsedSwagger = undefined;
     let formatters = {
@@ -74,7 +75,7 @@ module.exports = class extends Generator {
       .then(response => {
         this.options.loadedApi = response.loaded;
         this.options.parsedSwagger = response.parsed;
-        if ( this.options.loadedApi ) this.options.openApiFileType= "json";
+        this.options.openApiFileType= response.type; 
         this.options.genSwagger= true; 
       })
       .catch(err => {
@@ -119,8 +120,11 @@ module.exports = class extends Generator {
     if ( this.options.genSwagger ) {
       this.fs.copy(this.templatePath('public/swagger-ui'), this.destinationPath('public/swagger-ui'));
       // if open api doc provided, write it else write default 
+
       if ( this.options.loadedApi ) {
-        this.fs.writeJSON('public/swagger.json', this.options.loadedApi);
+        let yaml= this.options.bluemix.openApiServers[0].spec;
+        //this.fs.writeJSON('public/swagger.'+this.options.openApiFileType, this.options.loadedApi);
+        this.fs.write('public/swagger.'+this.options.openApiFileType, yaml);      
       } 
       else {
         this.fs.copyTpl(this.templatePath('public/swagger.yaml'), this.destinationPath('public/swagger.yaml'), this.options);
diff --git a/app/templates/package.json b/app/templates/package.json
index 41bc54b..aa16e38 100644
--- a/app/templates/package.json
+++ b/app/templates/package.json
@@ -8,6 +8,7 @@
   },
   "scripts": {
     "start": "node server/server.js",
+    "start:cluster": "sl-run server/server.js",
     "debug": "node --debug server/server.js",
     "test": "nyc mocha"
   },
@@ -15,6 +16,7 @@
     "appmetrics-dash": "^3.3.2",
     "body-parser": "^1.17.2",
     "express": "^4.15.3",
+    "strong-supervisor": "^6.2.0",
     "log4js": "^1.1.1"
   },
   "devDependencies": {
diff --git a/package-lock.json b/package-lock.json
index 32d6b08..9fa5077 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "generator-ibm-core-node-express",
-  "version": "0.0.57",
+  "version": "0.0.60",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f32bcde..e418892 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "generator-ibm-core-node-express",
-  "version": "0.0.57",
+  "version": "0.0.60",
   "description": "Yeoman generator for core node express application",
   "license": "Apache-2.0",
   "keywords": [
@@ -11,7 +11,7 @@
     "lib"
   ],
   "dependencies": {
-    "ibm-openapi-support": "0.0.4",
+    "ibm-openapi-support": "^0.0.8",
     "chalk": "^1.1.3",
     "log4js": "^1.1.1",
     "yeoman-generator": "^1.1.0",
diff --git a/test/integration.js b/test/integration.js
index f9a9d4f..0d90c0b 100644
--- a/test/integration.js
+++ b/test/integration.js
@@ -68,12 +68,14 @@ describe('core-node-express:app integration test with custom spec', function ()
         },
         "scripts": {
           "start": "node server/server.js",
+          "start:cluster": "sl-run server/server.js",
           "test": "nyc mocha"
         },
         "dependencies": {
           "appmetrics-dash": "^3.3.2",
           "body-parser": "^1.17.2",
           "express": "^4.15.3",
+          "strong-supervisor": "^6.2.0",
           "log4js": "^1.1.1"
         },
         "devDependencies": {
@@ -316,4 +318,4 @@ describe('core-node-express:app integration test with openApiServices', function
     assert.file('server/routers/dinosaurs.js')
     assert.fileContent('server/routers/dinosaurs.js', 'router.get(\'/dinosaurs\', function (req, res, next) {');
   });
-});
\ No newline at end of file
+});