diff --git a/.nvmrc b/.nvmrc
index 762ed9162..2a5dd0d63 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-8.11.2
+8.14.0
diff --git a/Jenkinsfile b/Jenkinsfile
index c7bb9788d..d0ab9aa7c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -12,31 +12,35 @@ pipeline {
 	stages {
 		stage ('Build dependencies') {
 			steps {
-				script {
-					cache_file = restoreCache("package.json")
-					sh 'npm install'
-					saveCache(cache_file, './node_modules', 10)
+				nvm(getNodejsVersion()) {
+					sh 'npm ci'
 				}
 			}
 		}
 		stage ('Run ESLint') {
 			steps {
-				sh 'npm run eslint'
+				nvm(getNodejsVersion()) {
+					sh 'npm run eslint'
+				}
 			}
 		}
 		stage ('Build bundles') {
 			steps {
-				sh 'npm run build'
+				nvm(getNodejsVersion()) {
+					sh 'npm run build'
+				}
 			}
 		}
 		stage ('Build candles') {
 			steps {
-				// marketwatcher needs to be enabled to builds candles
-				sh '''
-				cp ./test/known.test.json ./known.json
-				redis-cli -n $REDIS_DB flushdb
-				grunt candles:build
-				'''
+				nvm(getNodejsVersion()) {
+					// marketwatcher needs to be enabled to builds candles
+					sh '''
+					cp ./test/known.test.json ./known.json
+					redis-cli -n $REDIS_DB flushdb
+					grunt candles:build
+					'''
+				}
 			}
 		}
 		stage ('Start Lisk') {
@@ -65,29 +69,33 @@ pipeline {
 		}
 		stage ('Start Explorer') {
 			steps {
-				sh '''
-				cd $WORKSPACE/$BRANCH_NAME
-				LISK_PORT=$( docker-compose port lisk 4000 |cut -d ":" -f 2 )
-				cd -
-				LISK_PORT=$LISK_PORT node app.js -p $EXPLORER_PORT &>/dev/null &
-				sleep 20
-				'''
+				nvm(getNodejsVersion()) {
+					sh '''
+					cd $WORKSPACE/$BRANCH_NAME
+					LISK_PORT=$( docker-compose port lisk 4000 |cut -d ":" -f 2 )
+					cd -
+					LISK_PORT=$LISK_PORT node app.js -p $EXPLORER_PORT &>/dev/null &
+					sleep 20
+					'''
+				}
 			}
 		}
 		stage ('Run API tests') {
 			steps {
-				sh '''
-				sed -i -r -e "s/6040/$EXPLORER_PORT/" test/node.js
-				npm run test
-				'''
+				nvm(getNodejsVersion()) {
+					sh '''
+					sed -i -r -e "s/6040/$EXPLORER_PORT/" test/node.js
+					npm run test
+					'''
+				}
 			}
 		}
 		// stage ('Run E2E tests') {
 		// 	steps {
 		// 		wrap([$class: 'Xvfb']) {
-		// 			sh '''
-		// 			npm run e2e -- --params.baseURL http://localhost:$EXPLORER_PORT
-		// 			'''
+		//			nvm(getNodejsVersion()) {
+		//	 			sh 'npm run e2e -- --params.baseURL http://localhost:$EXPLORER_PORT'
+		//			}
 		// 		}
 		// 	}
 		// }
diff --git a/config.js b/config.js
index f525f1de9..06a68f374 100644
--- a/config.js
+++ b/config.js
@@ -55,7 +55,7 @@ config.cacheTTL = 20;
 // Collect logs (true - enabled, false - disabled)
 config.log.enabled = true;
 // Output for logs - can be device file or ordinary path
-config.log.file = './logs/explorer.log';
+config.log.output = ['/dev/stdout', './logs/explorer.log'];
 // Log level - (trace, debug, info, warn, error)
 config.log.level = 'info';
 
diff --git a/utils/logger.js b/utils/logger.js
index 3ca782e53..45c26f13b 100644
--- a/utils/logger.js
+++ b/utils/logger.js
@@ -19,8 +19,22 @@ const flatstr = require('flatstr');
 const newConsole = require('console').Console;
 const config = require('../config');
 
-const output = fs.createWriteStream(config.log.file, { flags: 'a' });
-const myConsole = new newConsole(output, output);
+const defaultOutput = '/dev/stdout';
+
+if (!Array.isArray(config.log.output)) {
+	if (typeof config.log.output === 'string') {
+		config.log.output = [config.log.output];
+	} else if (typeof config.log.file === 'string') {
+		config.log.output = [config.log.file];
+	} else {
+		config.log.output = [defaultOutput];
+	}
+}
+
+const logOutputs = config.log.output.map((outputPath) => {
+	const fileOutput = fs.createWriteStream(outputPath, { flags: 'a' });
+	return new newConsole(fileOutput, fileOutput);
+});
 
 const levels = {
 	trace: 0,
@@ -35,25 +49,24 @@ const logger = {};
 logger.doLog = function doLog(level, msg, extra) {
 	if (config.log.enabled) {
 		const timestamp = Date.now();
-
-		// const stringMsg = typeof msg === 'string' ? msg : JSON.stringify(msg);
-		// const parsedMsg = stringMsg.replace(/(\r\n|\n|\r)/gm, ' ');
+		let outputString;
 
 		if (extra) {
 			const stringExtra = typeof extra === 'string' ? extra : JSON.stringify(extra);
 			const parsedExtra = stringExtra.replace(/(\r\n|\n|\r)/gm, ' ');
-			myConsole.log(flatstr(safeStringify({
-				level,
-				timestamp,
-				message: `${msg} ${parsedExtra}`,
-			})));
+			outputString = `${msg} ${parsedExtra}`;
 		} else {
-			myConsole.log(flatstr(safeStringify({
+			outputString = msg;
+		}
+
+		logOutputs.map((logOutput) => {
+			logOutput.log(flatstr(safeStringify({
 				level,
 				timestamp,
-				message: msg,
+				message: outputString,
 			})));
-		}
+			return logOutput;
+		});
 	}
 };