npm init -y npm install express myapp npm install nodemon --save-dev //auto deploy To connect to a Postgres database, we need to install the pg package, which is the official PostgreSQL client for Node.js. Open your terminal and run the following command: $ npm install pg or npm install -g nodemon nodemon server.js start postgresql C:\Users> pg_ctl start -D "C:\Program Files\PostgreSQL\16\data" npm install dotenv