Should we leave Shopify, build headless or connect the store to the ERP?
Running a store means weighing platform fees, apps, checkout control and how orders reach your books and warehouse. These articles compare Shopify, WooCommerce and Medusa, explain headless builds for D2C and B2B, cover point of sale, payments and shipping for Indian sellers, and show how a store connects to ERPNext so stock and invoices stay in step. They help you decide when to stay on a hosted platform and when owning the stack pays off.
POST /auth/user/emailpass returns 200, GET /admin/users/me returns 401. The five real causes: actor_type wrong, secure-cookie blocked on localhost, NGINX stripping cookies, CORS misconfig, and publishable keys on admin routes.
Build a Medusa v2 custom fulfillment provider — every AbstractFulfillmentProviderService method, folder shape, config, and the calculatePrice trap.
Medusa v2 modules can't resolve each other's services. What actually works — module links in src/links, query.graph in API routes, useQueryGraphStep in workflows — with the wrong-vs-right code for the four common scenarios.
Medusa v2 in practice — the modules you get free, the four places your code hooks in, and the honest boundary where the commerce layer stops and your…
Shopify Payments does not work in India, so you pay a platform fee on top of a gateway. But COD is exempt and UPI carries no bank MDR — which means your…
Shopify does not split CGST and SGST, does not derive place of supply, and has no IRN. Nine of the sixteen mandatory Rule 46 fields have no native…
How to migrate from Shopify to Medusa.js without wrecking your SEO or your customer base — what exports, what doesn't, the forced password reset, phased…
Every Shopify fee in one place — plan, platform transaction cut, gateway MDR, apps, currency conversion and chargebacks — with worked three-year totals…
The real reasons merchants move off Shopify in 2026: fees that scale with revenue, a locked checkout, undocumented limits, and limited data export.
medusa db:migrate stops dead after creating the migrations table, with no error and no CPU. The confirmed cause is Medusa forcing SSL on any…
Medusa v2 confirms a cart against summed stock across every linked location, then reserves the whole line from location_ids[0]. The order is created…
Medusa v2's Workflows SDK rolls back database writes when a step fails. It cannot un-emit an event, un-send an email, un-write to your ERP, or un-charge…
Medusa v2 checkout slows to 8+ seconds when your store has 1000+ product variants. The root cause is a quadratic variant pricing lookup. This guide…
Medusa v2 has no built-in COD payment method or Shiprocket fulfillment module. This guide builds both from scratch — the COD payment provider, Shiprocket…
Deploy Medusa v2 on a Hetzner ARM server with Coolify for automated Docker management. Covers the production issues that break most deployments — admin…
Medusa v2 has no official Razorpay plugin. This guide walks through building a custom payment provider module for Indian payment methods — UPI, cards…
POS Invoices created before a POS Opening Entry exists are silently left out of the POS Closing — real sales that never reach a Sales Invoice or your…
How ERPNext runs orders, inventory, and accounting for Indian online sellers — marketplace and store sync, who it suits, and how to set it up.
How to sync your Shopify store with ERPNext in 2026: orders, inventory and invoices, via the official connector or an n8n webhook flow. Step-by-step from…
Medusa.js doesn't ship a native POS screen — it's an API layer you build or buy a POS app on top of. What that actually means for a retail buyer…
Medusa.js is the top open-source Shopify alternative in 2026: MIT-licensed, self-hosted, zero platform fees. Own your store, code and data.
How ERPNext runs Indian retail — GST POS billing, offline mode, multi-store inventory, barcode and loyalty — in one system that reconciles to your…
Medusa.js vs Shopify Plus for B2B: a technical comparison of B2B essentials, customization, total cost of ownership, and headless flexibility.
Next step
How we build and run Medusa storefronts and B2B portals connected to ERPNext, and when staying on a hosted platform is the better call.
Walk through the process in a live ERPNext demo, with a guide on every screen.