APIs
Webhook Design for Go APIs That Customers Can Trust
Design webhooks customers can trust in Go: an event envelope, per-endpoint API versions, filters, secret rotation, auto-disable, replay and signing.
21 min read
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22 articles
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Build a Link Preview Service in Go Without SSRF Holes
Build a link preview service in Go that fetches a URL and reads its Open Graph tags, with a dialer that blocks private addresses after DNS to stop SSRF.
17 min read
Web
Build a Reverse Proxy in Go With httputil ReverseProxy
Build a reverse proxy in Go with httputil.ReverseProxy: Rewrite instead of Director, forwarded headers, error handling, streaming and path based routing.
14 min read
Web
WebSockets in Go With a Real Hub Design and Backpressure
Build a WebSocket hub in Go with gorilla/websocket: origin checks, read limits, ping and pong, per client send queues and a rule for slow consumers.
13 min read
Web
Build a Pastebin Clone in Go With Expiring Share Links
Build a pastebin in Go on SQLite with unguessable IDs, expiry, burn after read that survives link previews, delete tokens and output that cannot run scripts.
20 min read
APIs
API Documentation in Go With Swagger UI Embedded in Binary
Serve interactive API docs from a Go binary: Swagger UI embedded with swgui, the spec via go:embed, a password gate, CSP caveats and a build tag.
10 min read
Web
Build an Admin Dashboard With Templ HTMX and Tailwind
Build an admin dashboard in Go with templ, HTMX and Tailwind classes: a shell, stat cards, a sortable paged table, role aware buttons and server side checks.
20 min read
APIs
Async Jobs in Go APIs With 202 Accepted and Polling
Run long work behind a Go API with 202 Accepted: a bounded worker pool, a pollable job resource, Retry-After, idempotency keys, cancellation, clean shutdown.
16 min read
Web
Build a URL Shortener in Go With Tests and a Database
Build a URL shortener in Go on SQLite with random base62 codes, collision retries, custom aliases, expiry, hit counting and tests for the awkward cases.
19 min read
Web
Build a Server Rendered Dashboard in Go With HTMX Basics
Build a dashboard in Go with html/template and HTMX: fragments chosen by the HX-Request header, polling cards, filters, a retry button and HX-Trigger.
16 min read
Web
Templ With HTMX for Interactive Pages Without a SPA
Build a contacts directory with templ and HTMX: live search, endless scroll, click to edit with validation, delete with an out of band count and fragments.
18 min read
Web
Send Webhooks From Go With Retries and Request Signing
Build the sending side of webhooks in Go: signed deliveries, a retry schedule that honors Retry-After, permanent versus temporary failures and dead endpoints.
16 min read