Writing
Notes on building full-stack and AI/ML systems — RAG, vector search, computer vision, Next.js, and shipping real products end to end.
A free subdomain needs no API call. A custom domain needs add, DNS, verify, SSL and cleanup. Here is the whole publish flow, the status states and the errors to handle.
One deployment can serve unlimited customer sites if you resolve the tenant from the hostname. Here is the setup: wildcard domain, custom domains, lookup code and the mistakes to avoid.
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A Shopify chatbot that does not invent products needs four parts: a synced catalogue index, retrieval, a grounded prompt, and a Liquid section that talks to your backend. Here is each part.
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A product finder takes 'a waterproof jacket for light hiking under $150' and returns matching products. It needs vector search and filters, and it does not need a chat model.
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One vector per document blends everything into a blur. Splitting each record into typed chunks, one per kind of question, kept my retrieval sharp. Here are the real counts and rules.
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A RAG chatbot hallucinates less when the model only explains what retrieval found. Here is the pipeline I built over 838 dramas, the prompt rules, and the check I would add.
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A swatch that opens a different product page needs one product per color, a metaobject that groups them, and a short Liquid snippet. Here is the full build, and when not to bother.
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Most Shopify speed problems come from images, scripts and installed apps, and none of them need another app to fix. Here is the order to work in, with the Liquid to do it.
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An app is faster to start, and a custom build gives you control over answers, data and cost. Here is how to decide, what a build includes, and what to ask a developer if you hire.
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Each Core Web Vital has a different usual cause on Shopify: the hero image for LCP, app widgets and fonts for CLS, and JavaScript for INP. Here is what to change for each.
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An LLM predicts likely text, it does not look facts up. RAG fetches the relevant documents first and makes the model answer from them. Here is how it works and where it breaks.
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The right buy now pay later option depends on where your store is registered, whether you use Shopify Payments, and how much setup you want. Here is how the three compare.
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How to shortlist a Shopify theme for a goth or dark fashion store: the five features that matter, what a dark palette breaks, and when a theme stops being enough.
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You can build a convincing gothic clothing store on a free Shopify theme. Here is what to look for and a settings-and-CSS checklist that turns a light theme dark.
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A decision guide for alternative and goth clothing brands choosing between a free, premium or custom-coded Shopify theme, with a checklist for when each one wins.
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Victorian, cyber, romantic and punk goth each need a different palette, typeface, photography style and layout. A practical design guide for Shopify stores.
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Build a Shopify mega menu for a large fashion catalogue using native navigation and a small Liquid snippet. No app, no monthly fee, with collection images.
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Set up product filtering and per-garment size charts on a Shopify clothing store without paid apps, and cut size-related returns along the way.
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How to build a shoppable lookbook and an Instagram-style feed on Shopify without slowing the site, including a section schema you can adapt.
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Compare wishlist apps with a custom local-storage wishlist for a Shopify fashion store, and build the no-app version with JavaScript and Liquid.
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Design principles for a black gothic Shopify store: readable contrast, restrained type, product photography on black, and layouts that keep dark stores converting.
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The design patterns that strong goth and dark fashion Shopify stores share: navigation, hero imagery, product pages, trust signals and mobile behaviour.
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A step-by-step checklist for launching a goth or alternative clothing brand on Shopify, from brand identity and theme choice to products, policies and launch.
ReadTell me what you're trying to ship — a Shopify section, a full storefront, a chatbot, or a web app. I'll tell you what it takes, honestly, before you commit.
ayanrjpoot@gmail.com