Web
Build a Server Rendered Todo App With Templ and HTMX
Build a todo app in Go with templ, HTMX and SQLite where every action works as a plain form post and upgrades to fragment updates, with tests for both paths.
21 min read
Topic
Web
Servers, handlers, middleware, templates, cookies and sessions on net/http, plus the parts of a real website the tutorials leave out.
Web
Configuration for Go Web Apps From Env Vars and Files
Load Go web app configuration from defaults, a file, environment variables and flags in a fixed order, read secrets from files and report every error at once.
10 min read
Web
Host Based Routing and Multi Tenant Servers in Go Apps
Resolve the tenant from the Host header in a Go server, with subdomains and custom domains, safe fallbacks, a context value and rules for unknown hosts.
7 min read
WebGuide
Internationalization in Go Web Apps With Plain Tools
Internationalize a Go web app with embedded JSON catalogs and golang.org/x/text: language negotiation, plural forms, number formats and missing translations.
15 min read
Web
Connection Reuse and Keep Alive in the Go HTTP Client
See when the Go HTTP client reuses a connection and when it dials a new one, using httptrace, and how idle timeouts and Connection close change that.
7 min read
Web
Templ Live Reload and Editor Setup for Fast Feedback
Set up a fast templ edit loop: generate in watch mode, see text edits land without a restart, format with templ fmt, and set up the language server and CI.
8 min read
APIs
Rate Limiting Go APIs per API Key and per Route Cleanly
Rate limit a Go API per key and per route with token buckets: weighted costs, 429 with Retry-After, idle sweeping, a fake test clock and 123 ns decisions.
13 min read
Web
The Best Go Web Frameworks Compared by Use Case and Scale
Pick a Go web framework by what you are building: standard library, chi, gin, echo, fiber or huma, compared on dependency weight, handler portability and fit.
8 min read
APIs
Build a CRUD REST API in Go With the Standard Library
Build a CRUD API in Go with the standard library: a natural key, PUT upserts, ETag and If-Match locking, and a store contract tested on memory and SQLite.
22 min read
Web
HTTP 2 and HTTP 3 in Go and What Works Out of the Box
See what Go gives you for HTTP/2 and HTTP/3 with no extra code, count connections to prove multiplexing, and use cleartext h2c with http.Protocols.
8 min read
Web
Render Markdown in Go With Goldmark Without XSS Holes
Render Markdown in Go with goldmark safely: what defaults block, what WithUnsafe lets through, and how to sanitize output with bluemonday for user content.
10 min read
Web
Cache Headers for Static and Dynamic Responses in Go
Choose Cache-Control values for fingerprinted assets, HTML pages, API responses and private data in a Go server, and set them from one small middleware.
7 min read
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