Write Software, Well

Active Storage Internals: How has_one_attached DSL Works

In this post, we'll explore the internals of has_one_attached method in Active Storage. It covers two interesting patterns, i.e. proxy and change objects. We'll trace the control flow from the model DSL to persistence and uploads, and explain how files are created, detached, and purged.

Rails Internals 9 min read

Featured

From a Lorry Driver to Ruby on Rails Developer at 38

Interview 11 min read

Annual Blog Review: 2023

Annual Review 31 min read

Akshay's Blog is now Write Software, Well

4 min read

A List of Books to Learn Programming with Ruby and Rails

9 min read

Active Storage Domain Model: Blobs and Attachments

Active Storage uses two main models: blobs and attachments. Blobs store the uploaded file's metadata and a link to the actual file, while attachments link those files to records. Understanding how they work together makes it easier to manage uploads, generate URLs, and process uploaded files.

7 min read

Rails on Localhost: Secure Context and Local HTTPS with Caddy

Localhost is treated as a trustworthy origin even without TLS, so all apps on localhost run in a secure context. This allows secure features to work in development. You can also run multiple apps on localhost with subdomains + ports to separate them. When you do need local HTTPS, use Caddy server.

4 min read

Sitemaps: A Quick SEO Win for New Websites

A sitemap lists your site's pages, helping Google crawl it efficiently. It's especially useful for large sites or new sites with zero backlinks. This post shows how you can create one in your Rails site, how to add it to Google Search Console, and how to index new pages as soon as you publish them.

7 min read

Polymorphic URLs with direct Router Helper

The Rails router's direct method lets you create custom url and path helpers, which is especially useful for polymorphic models and delegated types. This post shows how to use a single custom helper to generate URLs for different models, with a practical example from the open source Maybe project.

4 min read

Working Effectively with AI as a Developer

I started as a sceptic, but now I'm a convert and a heavy user of AI for everyday programming, and wanted to write down some common patterns and prompts for working with AI tools that I’ve found useful in my own development workflow as well as those I learned from other experienced developers.

4 min read

How to Inspect the Sequence of Controller Callbacks in Rails

This post shows how to inspect the sequence of before, after, and around callbacks in Rails controllers by adding a small initializer. Useful for understanding callback order in applications with complex controller hierarchies or shared concerns. I learned this trick while reading the Rails tests.

3 min read

Thoughts on Freelancing for Web Developers

After three years of freelancing and over a year of running my own software studio, here're some scattered thoughts on freelancing as a software developer, especially around web development.

3 min read

Extracting Options from Arguments in Rails

You can safely extract options hash from the end of an argument list using the extract_options! method in Rails. Not only it simplifies the method definition but it keeps the method's API flexible, allowing you to add new options without breaking existing callers.

Rails Internals 5 min read

Redirects in Rails: Manual, Helper, and Internals

In this post, we’ll explore how redirects work in Rails: what they are, how to redirect manually, and how the redirect_to method simplifies things. We’ll cover common use cases, security considerations, and even dig into the Rails source to see how redirect_to works under the hood.

Controllers 8 min read

Understanding the Render Method in Rails

In this post, we'll learn how Rails' render method works and how to use it effectively. From rendering templates, partials, and inline content to JSON and custom status codes, this post explores the different ways to render views from your controllers.

Controllers 7 min read

Create a Staging Environment in Rails and Deploy with Kamal

A staging environment is a safe replica of production where you can test features before going live. In this post, we'll create a staging environment for the blog and deploy to it with Kamal. It also covers the basics of Rails environments and shows how to configure Kamal for staging deployments.

Rails in Practice 8 min read

Let's Configure a PostgreSQL Database Server for the Blog

In this post, I'll provision and configure the staging infrastructure for my blog, which is a Rails application. This includes installing and setting up a PostgreSQL database server, allowing connections only from the Rails application server, and locking it down by disabling direct public access.

Rails in Practice 11 min read