--- tags: vscode, debug javascript --- # How to debug Node.JS Code in VsCode Read this article and follow steps to debug your JavaScript file in VsCode. ## Create JavaScript file to debug I have one JavaScript file that is called `merge-codecoverage.js` ## Create a launch.json in .vscode Create launch.json file in .vscode ![](https://i.imgur.com/ypGZj8k.png) And add below code. Notice in this code I have hard-coded the path of the file that I want to debug at line number 6. ```json= { "version": "0.2.0", "configurations": [ { "name": "Launch Program", "program": "${workspaceFolder}/tools/scripts/merge-codecoverage.js", "request": "launch", "skipFiles": [ "<node_internals>/**" ], "type": "pwa-node" }, ] } ``` ## Hit debug button and see you can debug your code Select the configuration ![](https://i.imgur.com/JRcgDrE.png) Now hit on debug button ![](https://i.imgur.com/0ZSiSlt.png) And then notice you can debug the code. ![](https://i.imgur.com/EDo907D.png) ## Do You Want to become full stack developer? If you want to become full stack developer and grow your carrier as Lead Developer/Architect. Consider subscribing to our full stack development training programs. We have monthly membership plans and you will get unlimited access to all of our video courses, slides, source code & Monthly video calls. - Please visit www.fullstackmaster.net/pro to subscribe to All Access PRO membership. - Please visit www.fullstackmaster.net/elite to subscribe to All Access ELITE membership. You will get everything from PRO plan. Additionally you will get access to monthly live Q&A video call with Rupesh and ask doubts and get more tips and tricks. You bright future is waiting for you so visit today www.fullstackmaster.net and allow me to help you to board on your dream software architect/lead role. --- Rupesh Tiwari www.rupeshtiwari.com fullstackmaster1@gmail.com Founder of www.fullstackmaster.net
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Rupesh Tiwari
I help students & professionals to become full stack web developer in just 90 days by giving free lessons and live coding sessions. www.fullstackmaster.net
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How to improve Reliability in the cloud?

How to improve Reliability in the cloud? Did you get a phone call from your customer saying they want to improve their application reliability while you move their workload to the cloud? If yes then continue reading this article. I will use Microsoft Azure to explain the Reliability concept and its improvement steps. You can certainly do the same in Google Cloud or Amazon AWS. What is Reliability? Well reliability is a derived concept. Basically you want your application to be available for your customer. Also you should ask what latency is acceptable for your application. If your application is slower or normal, your application users should not keep retrying to finish any transaction. How should your application fidelity be while your application is slow and not rendering properly. So in order to define reliability of your application you have to answer how much your application should be Available and what is your Latency that you want for your application. Reliability = Availability + Latency So basically reliability is something your Business has to define. You must talk to your customer and understand what kind of business they are running, what problem they want to solve, who are the target users for the application.

11/29/2021
Cost Optimization with AWS Spot EC2 Instances 

Creating cost optimized highly scalable cloud architecture is challenging but it is possible! Using Spot Amazon Elastic Compute Cloud (Amazon EC2) instances you can save up to 90% of on-demand pricing. In this article you will learn what spot instances and what should be your strategy to use spot instances. Additionally, I will give you scenarios where most of the customers are using spot instances. Amazon EC2 Purchasing Options Amazon Elastic Compute Cloud (Amazon EC2) offers 3 purchasing options: On-Demand Reserved Instances Saving Plans

11/10/2021
Cloud Security Defense In-Depth Azure Approach 

Cloud Security Defense In-Depth Azure Approach In a traditional data center you create one perimeter, secure them by installing firewall, WAF, SIEMS etc. and have 100% confidence that the data center is secure. However, when you migrate to cloud then your VPC or Virtual Network is not 100% secure you have to not only secure your perimeter however, inside of perimeter you have to take care of security. Since it's a public cloud you have to be more cautious and make sure whatever workload or source code you are moving to is cloud aware. There are various best practices at each level you have to take care of in order to secure your cloud. What is Defense in-depth? There is a concept of Defense in-depth which makes sure that at each level there is security in-place which makes your cloud data center almost 100% secure. However, it needs continuous awareness, assessments and audits. In this article let’s explore how Azure helps us to secure data centers in the cloud. Defense in-depth design of azure services and capabilities to help you secure, manage and monitor your cloud data, infrastructure, compute Azure offers unified security management and advanced threat protection for your cloud, on-premise data centers or both. When you want to secure your cloud you should think of securing from the physical layer till your data layer.

11/5/2021
What is Multi-Cloud and Multi-Cloud Strategy?

What is Multi-Cloud and Multi-Cloud Strategy? Cloud itself is complex so why are customers bothering about multi-cloud at all? Why not just take google cloud and deploy all of your workload and be happy? Well it's just like you should not put all eggs in one basket.Let's explore Multi-Cloud in this article. According to a VMWare Customer survey 2 out of 3 customers are using multi-cloud so it is very important for you to be aware of the challenges and strategies of multi-cloud. Doing Multi-Cloud is possible but not easy and comes with some tradeoffs. While we are going towards microservices architecture each microservice can use any kind of technology stack. Example one service can use raven db then another service can use Microsoft SQL server. So if you have that kind of workload in your architecture that means you are already investing in multiple database vendors in your technology portfolio. Similarly you may create your workloads in multiple cloud providers such as Microsoft, Google or Amazon and create multi-cloud situations. In this article you will learn what is multi-cloud, why you do multi-cloud and what is the multi-cloud strategy? So stay tuned and keep scrolling. Who is the cloud provider? Cloud Provider is a company who provides online delivery of IT services via internet on an on-demand basis and pay as you go model. Example of cloud providers are: Google Cloud

11/2/2021
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