10 Essential Components of a Production Web Application.

Web App is the most popular category right now.

1 - It all starts with CI/CD pipelines that deploy code to the server instances. Tools like Jenkins and GitHub help over here. 2 - The user requests originate from the web browser. After DNS resolution, the requests reach the app servers. 3 - Load balancers and reverse proxies (such as Nginx & HAProxy) distribute user requests evenly across the web application servers. 4 - The requests can also be served by a Content Delivery Network (CDN). 5 - The web app communicates with backend services via APIs. 6 - The backend services interact with database servers or distributed caches to provide the data. 7 - Resource-intensive and long-running tasks are sent to job workers using a job queue. 8 - The full-text search service supports the search functionality. Tools like Elasticsearch and Apache Solr can help here. 9 - Monitoring tools (such as Sentry, Grafana, and Prometheus) store logs and help analyze data to ensure everything works fine. 10 - In case of issues, alerting services notify developers through platforms like Slack for quick resolution.

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