February 01, 2024

How to Resize Images Before Uploading in Phoenix LiveView

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How to Resize Images Before Uploading in Phoenix LiveView

Source: dev.to

Phoenix LiveView

The article by Anders Björkland discusses the step-by-step approach to adding the functionality of resizing user profile images before they are uploaded to a Phoenix application server. The author covers prerequisites such as having Docker, Elixir, and Mix installed, and details the process from setting up a new Phoenix application to writing custom hooks for image validation. Important topics include migration creation to update the User schema, handling file uploads with PostgreSQL, and client-side image resizing using JavaScript. The final result is an updated user settings page where users can upload and change their profile images that are resized and validated through client and server collaboration.

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