diff --git a/fabcar/javascript-low-level/.gitignore b/fabcar/javascript-low-level/.gitignore
new file mode 100644
index 00000000..6480661f
--- /dev/null
+++ b/fabcar/javascript-low-level/.gitignore
@@ -0,0 +1,79 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless
+
+hfc-key-store
diff --git a/fabcar/javascript-low-level/enrollAdmin.js b/fabcar/javascript-low-level/enrollAdmin.js
index 9798479e..ca1ec9e4 100644
--- a/fabcar/javascript-low-level/enrollAdmin.js
+++ b/fabcar/javascript-low-level/enrollAdmin.js
@@ -11,15 +11,17 @@
 var Fabric_Client = require('fabric-client');
 var Fabric_CA_Client = require('fabric-ca-client');
 
+var fs = require('fs');
 var path = require('path');
-var util = require('util');
-var os = require('os');
+
+var firstnetwork_path = path.resolve('..', '..', 'first-network');
+var org1tlscacert_path = path.resolve(firstnetwork_path, 'crypto-config', 'peerOrganizations', 'org1.example.com', 'tlsca', 'tlsca.org1.example.com-cert.pem');
+var org1tlscacert = fs.readFileSync(org1tlscacert_path, 'utf8');
 
 //
 var fabric_client = new Fabric_Client();
 var fabric_ca_client = null;
 var admin_user = null;
-var member_user = null;
 var store_path = path.join(__dirname, 'hfc-key-store');
 console.log(' Store path:'+store_path);
 
@@ -35,11 +37,11 @@ Fabric_Client.newDefaultKeyValueStore({ path: store_path
     crypto_suite.setCryptoKeyStore(crypto_store);
     fabric_client.setCryptoSuite(crypto_suite);
     var	tlsOptions = {
-    	trustedRoots: [],
+    	trustedRoots: [org1tlscacert],
     	verify: false
     };
     // be sure to change the http to https when the CA is running TLS enabled
-    fabric_ca_client = new Fabric_CA_Client('http://localhost:7054', tlsOptions , 'ca.example.com', crypto_suite);
+    fabric_ca_client = new Fabric_CA_Client('https://localhost:7054', tlsOptions , 'ca-org1', crypto_suite);
 
     // first check to see if the admin is already enrolled
     return fabric_client.getUserContext('admin', true);
diff --git a/fabcar/javascript-low-level/invoke.js b/fabcar/javascript-low-level/invoke.js
index 65e067a7..aab136c8 100644
--- a/fabcar/javascript-low-level/invoke.js
+++ b/fabcar/javascript-low-level/invoke.js
@@ -9,9 +9,13 @@
  */
 
 const Fabric_Client = require('fabric-client');
+const fs = require('fs');
 const path = require('path');
 const util = require('util');
-const os = require('os');
+
+var firstnetwork_path = path.resolve('..', '..', 'first-network');
+var org1tlscacert_path = path.resolve(firstnetwork_path, 'crypto-config', 'peerOrganizations', 'org1.example.com', 'tlsca', 'tlsca.org1.example.com-cert.pem');
+var org1tlscacert = fs.readFileSync(org1tlscacert_path, 'utf8');
 
 invoke();
 
@@ -28,16 +32,15 @@ async function invoke() {
 		const channel = fabric_client.newChannel('mychannel');
 		console.log('Created client side object to represent the channel');
 		// -- peer instance to represent a peer on the channel
-		const peer = fabric_client.newPeer('grpc://localhost:7051');
+		const peer = fabric_client.newPeer('grpcs://localhost:7051', {
+			'ssl-target-name-override': 'peer0.org1.example.com',
+			pem: org1tlscacert
+		});
 		console.log('Created client side object to represent the peer');
-		// -- orderer instance to reprsent the channel's orderer
-		const orderer = fabric_client.newOrderer('grpc://localhost:7050')
-		console.log('Created client side object to represent the orderer');
 
 		// This sample application uses a file based key value stores to hold
 		// the user information and credentials. These are the same stores as used
 		// by the 'registerUser.js' sample code
-		const member_user = null;
 		const store_path = path.join(__dirname, 'hfc-key-store');
 		console.log('Setting up the user store at path:'+store_path);
 		// create the key value store as defined in the fabric-client/config/default.json 'key-value-store' setting
@@ -63,6 +66,10 @@ async function invoke() {
 		console.log('Successfully setup client side');
 		console.log('\n\nStart invoke processing');
 
+		// Use service discovery to initialize the channel
+		await channel.initialize({ discover: true, asLocalhost: true, target: peer });
+		console.log('Used service discovery to initialize the channel');
+
 		// get a transaction id object based on the current user assigned to fabric client
 		// Transaction ID objects contain more then just a transaction ID, also includes
 		// a nonce value and if built from the client's admin user.
@@ -116,7 +123,6 @@ async function invoke() {
 		// committed.
 
 		const commit_request = {
-			orderer: orderer,
 			proposalResponses: proposalResponses,
 			proposal: proposal
 		};
diff --git a/fabcar/javascript-low-level/query.js b/fabcar/javascript-low-level/query.js
index ba57ac3f..85badb82 100644
--- a/fabcar/javascript-low-level/query.js
+++ b/fabcar/javascript-low-level/query.js
@@ -9,23 +9,27 @@
  */
 
 var Fabric_Client = require('fabric-client');
+var fs = require('fs');
 var path = require('path');
-var util = require('util');
-var os = require('os');
+
+var firstnetwork_path = path.resolve('..', '..', 'first-network');
+var org1tlscacert_path = path.resolve(firstnetwork_path, 'crypto-config', 'peerOrganizations', 'org1.example.com', 'tlsca', 'tlsca.org1.example.com-cert.pem');
+var org1tlscacert = fs.readFileSync(org1tlscacert_path, 'utf8');
 
 //
 var fabric_client = new Fabric_Client();
 
 // setup the fabric network
 var channel = fabric_client.newChannel('mychannel');
-var peer = fabric_client.newPeer('grpc://localhost:7051');
+var peer = fabric_client.newPeer('grpcs://localhost:7051', {
+	'ssl-target-name-override': 'peer0.org1.example.com',
+	pem: org1tlscacert
+});
 channel.addPeer(peer);
 
 //
-var member_user = null;
 var store_path = path.join(__dirname, 'hfc-key-store');
 console.log('Store path:'+store_path);
-var tx_id = null;
 
 // create the key value store as defined in the fabric-client/config/default.json 'key-value-store' setting
 Fabric_Client.newDefaultKeyValueStore({ path: store_path
@@ -44,7 +48,6 @@ Fabric_Client.newDefaultKeyValueStore({ path: store_path
 }).then((user_from_store) => {
 	if (user_from_store && user_from_store.isEnrolled()) {
 		console.log('Successfully loaded user1 from persistence');
-		member_user = user_from_store;
 	} else {
 		throw new Error('Failed to get user1.... run registerUser.js');
 	}
diff --git a/fabcar/javascript-low-level/registerUser.js b/fabcar/javascript-low-level/registerUser.js
index 9aa93a9c..b1aacc7c 100644
--- a/fabcar/javascript-low-level/registerUser.js
+++ b/fabcar/javascript-low-level/registerUser.js
@@ -11,9 +11,12 @@
 var Fabric_Client = require('fabric-client');
 var Fabric_CA_Client = require('fabric-ca-client');
 
+var fs = require('fs');
 var path = require('path');
-var util = require('util');
-var os = require('os');
+
+var firstnetwork_path = path.resolve('..', '..', 'first-network');
+var org1tlscacert_path = path.resolve(firstnetwork_path, 'crypto-config', 'peerOrganizations', 'org1.example.com', 'tlsca', 'tlsca.org1.example.com-cert.pem');
+var org1tlscacert = fs.readFileSync(org1tlscacert_path, 'utf8');
 
 //
 var fabric_client = new Fabric_Client();
@@ -35,11 +38,11 @@ Fabric_Client.newDefaultKeyValueStore({ path: store_path
     crypto_suite.setCryptoKeyStore(crypto_store);
     fabric_client.setCryptoSuite(crypto_suite);
     var	tlsOptions = {
-    	trustedRoots: [],
+    	trustedRoots: [org1tlscacert],
     	verify: false
     };
     // be sure to change the http to https when the CA is running TLS enabled
-    fabric_ca_client = new Fabric_CA_Client('http://localhost:7054', null , '', crypto_suite);
+    fabric_ca_client = new Fabric_CA_Client('https://localhost:7054', tlsOptions , 'ca-org1', crypto_suite);
 
     // first check to see if the admin is already enrolled
     return fabric_client.getUserContext('admin', true);