The latest articles on DEV Community by Prajwal Chopade (@prajwal_chopade_c8a0bbb30). https://dev.to/prajwal_chopade_c8a0bbb30 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4193555%2F46262d3d-d8c4-42f6-9af6-37c2e1c80239.png https://dev.to/prajwal_chopade_c8a0bbb30 en Prajwal Chopade Mon, 19 Oct 2026 08:00:26 +0000 https://dev.to/prajwal_chopade_c8a0bbb30/the-hidden-cost-of-localhost-in8 https://dev.to/prajwal_chopade_c8a0bbb30/the-hidden-cost-of-localhost-in8 <p>Ever wondered why an application works perfectly on your machine but fails in production?</p> <p>It could be environment variables, network configuration, permissions, or a service listening on the wrong interface.</p> <p>For example, an app bound to <code>127.0.0.1</code> may work locally but remain inaccessible from other machines or containers.</p> <p>Debugging isn't just about fixing code. It's about understanding the environment in which that code runs.</p> <p>What's the most frustrating “works on my machine” bug you've encountered? 😅</p> softwareengineering dev devops debugging