Popular databases include MongoDB, MySQL, PostgreSQL. ORM libraries like Sequelize simplify usage.
Techniques like caching, lazy-loading assets, compressing responses, pagination optimize throughput. Clustering allows horizontal scaling.
Our process includes unit, integration and load testing.
Express is popular but also options like Restify, Hapi and Adonis for the web server and frameworks like NestJS.
Common platforms are Heroku, AWS Elastic Beanstalk and Now. Docker is often used to containerize apps for scalability.
