Error detail: ./node_modules/@walletconnect/ethereum-provider/dist/index.es.js 59:10 Module parse failed: Unexpected token (59:10) File was processed with these loaders: * ./node_modules/babel-loader/lib/index.js You may need an additional loader to handle the result of these loaders. | rpcMap: M | }, > l = n?.filter(g => !u.includes(g)), |…

DNS service (Cloudflare): New A record to your server IP SSH to server new virtual domain for redirecting. Note: Change meet.nhancv.com to your domain # Create domain config sudo -s cat << 'EOF' > /etc/nginx/sites-available/meet.nhancv.com server { listen 80; listen [::]:80; server_name meet.nhancv.com…

About Base Base is a secure, low-cost, builder-friendly Ethereum L2 built to bring the next billion users onchain. It is built on the OP Stack so that it can remain decentralized, permissionless, and open to anyone. https://docs.base.org/ Compare with Arbitrum

Secure Infura project key: — Secure Infura project key Details: https://docs.infura.io/infura/networks/ethereum/how-to/secure-a-projectnhancv.medium.com Install lib: - For Http: yarn add web3-providers-http - For Ws: yarn add web3-providers-ws Example web3 provider configuration: https://web3js.readthedocs.io/en/v1.7.4/web3-eth.html // ==== // Http // ==== const Web3HttpProvider = require('web3-providers-http');

Details: https://docs.infura.io/infura/networks/ethereum/how-to/secure-a-project Patterns: Frontend/Mobile app: + Requests: 10/sec, 5000/day + Allowlists: Origins, Contract addresses, User agents (optional) + JWT required: Public (short expiration), Signed (long expiration) BE service: + Requests: x0/sec, x000/day + Allowlists: Contract addresses, User agents (optional) + Project secret required: JWT or API secret

Nhan Cao Nhan Cao résuménhancv.github.io https://www.credly.com/users/nhancv

Public Terraform source: GitHub - nhancv/terraform.aws.public: Web application with basic 3 tiers version. Deploy to AWS… Web application with basic 3 tiers version. Deploy to AWS using Terraform - GitHub - nhancv/terraform.aws.public: Web…github.com Best practice: https://docs.aws.amazon.com/whitepapers/latest/web-application-hosting-best-practices/an-aws-cloud-architecture-for-web-hosting.html I saw some mistakes of Full-stack developers about web hosting. To deliver better app should check some points:

STEPs S3 static website hosting bucket same domain name with direct mode Cloudfront using Origin domain of S3 website endpoint (NOT bucket name) + custom domain + custom SSL (via ACM) Route53 -> alias to CloudFront (us-east-1 only) DETAILs S3: - New empty bucket using bucket name must be equal domain name …