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opt: gzip + no cdn shi + feeds

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This commit is contained in:
Pierre De Lancre
2026-06-26 20:57:14 +03:00
parent 78b8bea6f7
commit 98d85ecbf5
10 changed files with 3563 additions and 15 deletions
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115
blog/feeds.go Normal file
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@@ -0,0 +1,115 @@
package blog
import (
"encoding/xml"
"fmt"
"strings"
"time"
)
const baseURL = "https://chaosmith.systems"
func generateRSS(s *Store) string {
var b strings.Builder
b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>` + "\n")
b.WriteString(`<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">` + "\n")
b.WriteString(" <channel>\n")
b.WriteString(" <title>Chaosmith Systems — Field Notes</title>\n")
b.WriteString(" <link>" + baseURL + "/blog/</link>\n")
b.WriteString(" <description>Engineering, music, and experiments from controlled chaos.</description>\n")
b.WriteString(" <language>en</language>\n")
b.WriteString(` <atom:link href="` + baseURL + `/blog/feed.xml" rel="self" type="application/rss+xml"/>` + "\n")
for _, p := range s.All() {
b.WriteString(" <item>\n")
b.WriteString(" <title>" + xmlEscape(p.Title) + "</title>\n")
b.WriteString(" <link>" + baseURL + "/blog/posts/" + p.Slug + "</link>\n")
b.WriteString(" <guid>" + baseURL + "/blog/posts/" + p.Slug + "</guid>\n")
b.WriteString(" <description>" + xmlEscape(p.Description) + "</description>\n")
b.WriteString(" <pubDate>" + p.Date.Format(time.RFC1123Z) + "</pubDate>\n")
b.WriteString(" </item>\n")
}
b.WriteString(" </channel>\n</rss>\n")
return b.String()
}
func generateJSONFeed(s *Store) string {
var b strings.Builder
b.WriteString(`{"version":"https://jsonfeed.org/version/1.1","title":"Chaosmith Systems — Field Notes","home_page_url":"` + baseURL + `/blog/","feed_url":"` + baseURL + `/blog/feed.json","items":[`)
first := true
for _, p := range s.All() {
if !first {
b.WriteString(",")
}
first = false
b.WriteString(`{`)
b.WriteString(`"id":"` + baseURL + "/blog/posts/" + p.Slug + `",`)
b.WriteString(`"url":"` + baseURL + "/blog/posts/" + p.Slug + `",`)
b.WriteString(`"title":"` + jsonEscape(p.Title) + `",`)
b.WriteString(`"summary":"` + jsonEscape(p.Description) + `",`)
b.WriteString(`"date_published":"` + p.Date.Format(time.RFC3339) + `"`)
b.WriteString(`}`)
}
b.WriteString("]}")
return b.String()
}
func generateSitemap(s *Store) string {
var b strings.Builder
b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>` + "\n")
b.WriteString(`<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` + "\n")
// Static pages
b.WriteString(" <url>\n")
b.WriteString(" <loc>" + baseURL + "/</loc>\n")
b.WriteString(" <changefreq>monthly</changefreq>\n")
b.WriteString(" </url>\n")
b.WriteString(" <url>\n")
b.WriteString(" <loc>" + baseURL + "/blog/</loc>\n")
b.WriteString(" <changefreq>weekly</changefreq>\n")
b.WriteString(" </url>\n")
for _, p := range s.All() {
b.WriteString(" <url>\n")
b.WriteString(" <loc>" + baseURL + "/blog/posts/" + p.Slug + "</loc>\n")
b.WriteString(" <lastmod>" + p.Date.Format("2006-01-02") + "</lastmod>\n")
b.WriteString(" </url>\n")
}
b.WriteString("</urlset>\n")
return b.String()
}
func xmlEscape(s string) string {
var b strings.Builder
xml.EscapeText(&b, []byte(s))
return b.String()
}
func jsonEscape(s string) string {
var b strings.Builder
for _, r := range s {
switch r {
case '"':
b.WriteString(`\"`)
case '\\':
b.WriteString(`\\`)
case '\n':
b.WriteString(`\n`)
case '\r':
b.WriteString(`\r`)
case '\t':
b.WriteString(`\t`)
default:
if r < 0x20 {
b.WriteString(fmt.Sprintf(`\u%04x`, r))
} else {
b.WriteRune(r)
}
}
}
return b.String()
}

41
blog/routes.go
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@@ -34,13 +34,13 @@ const pageTpl = `<!DOCTYPE html>
<meta property="og:site_name" content="Chaosmith Systems"> <meta property="og:site_name" content="Chaosmith Systems">
<meta name="twitter:card" content="summary"> <meta name="twitter:card" content="summary">
{{end}} {{end}}
<link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="stylesheet" href="/src/thirdparty/fonts/fonts.css" media="print" onload="this.media='all'">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> <link rel="alternate" type="application/rss+xml" title="Chaosmith Systems — Field Notes" href="/blog/feed.xml">
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@300;500;700&display=swap" rel="stylesheet"> <link rel="alternate" type="application/feed+json" title="Chaosmith Systems — Field Notes (JSON)" href="/blog/feed.json">
<link rel="stylesheet" href="/src/thirdparty/highlight/default.min.css"> <link rel="stylesheet" href="/src/thirdparty/highlight/default.min.css" media="print" onload="this.media='all'">
<script src="/src/thirdparty/highlight/highlight.min.js"></script> <script defer src="/src/thirdparty/highlight/highlight.min.js"></script>
<script src="/src/lang/ergon.js"></script> <script defer src="/src/lang/ergon.js"></script>
<script src="/src/lang/archasm.js"></script> <script defer src="/src/lang/archasm.js"></script>
<style> <style>
:root { :root {
--bg: #05030a; --bg: #05030a;
@@ -137,6 +137,7 @@ const pageTpl = `<!DOCTYPE html>
<a href="/blog/">Blog</a> <a href="/blog/">Blog</a>
</nav> </nav>
</div> </div>
<a href="/blog/feed.xml" style="margin-left:auto; font-size:13px; text-transform:uppercase; letter-spacing:0.1em; color:var(--text-dim); text-decoration:none;">RSS</a>
</header> </header>
<main> <main>
{{if .Post.HTML}} {{if .Post.HTML}}
@@ -166,7 +167,7 @@ const pageTpl = `<!DOCTYPE html>
<span>Chaosmith Systems</span> <span>Chaosmith Systems</span>
</footer> </footer>
</div> </div>
<script>hljs.highlightAll();</script> <script>window.addEventListener('DOMContentLoaded',()=>hljs.highlightAll());</script>
</body> </body>
</html>` </html>`
@@ -248,6 +249,30 @@ func RegisterRoutes(mux *http.ServeMux, contentDir string) error {
}) })
}) })
// RSS feed
mux.HandleFunc("/blog/feed.xml", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/rss+xml; charset=utf-8")
w.Write([]byte(generateRSS(store)))
})
// JSON feed
mux.HandleFunc("/blog/feed.json", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/feed+json; charset=utf-8")
w.Write([]byte(generateJSONFeed(store)))
})
// Sitemap
mux.HandleFunc("/sitemap.xml", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/xml; charset=utf-8")
w.Write([]byte(generateSitemap(store)))
})
// robots.txt
mux.HandleFunc("/robots.txt", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte("User-agent: *\nAllow: /\n\nSitemap: https://chaosmith.systems/sitemap.xml\n"))
})
log.Printf("blog: loaded %d post(s) from %s, mounted at /blog/", store.Count(), contentDir) log.Printf("blog: loaded %d post(s) from %s, mounted at /blog/", store.Count(), contentDir)
return nil return nil
} }

8
index.html
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@@ -7,11 +7,7 @@
<meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" <meta name="description"
content="Chaosmith Systems - engineering, music, and experimental tools forged from controlled chaos."> content="Chaosmith Systems - engineering, music, and experimental tools forged from controlled chaos.">
<link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="stylesheet" href="/src/thirdparty/fonts/fonts.css" media="print" onload="this.media='all'">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link
href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Inter:wght@300;500;700&display=swap"
rel="stylesheet">
<style> <style>
:root { :root {
--bg: #05030a; --bg: #05030a;
@@ -336,7 +332,7 @@
</head> </head>
<body> <body>
<script src="src/thirdparty/htmx.min.js.js"></script> <script defer src="src/thirdparty/htmx.min.js.js"></script>
<div class="noise"></div> <div class="noise"></div>
<div class="wrap"> <div class="wrap">
<header> <header>

28
main.go
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@@ -1,12 +1,38 @@
package main package main
import ( import (
"compress/gzip"
"io"
"log" "log"
"net/http" "net/http"
"strings"
"chaosmith-site/blog" "chaosmith-site/blog"
) )
type gzipResponseWriter struct {
io.Writer
http.ResponseWriter
}
func (w gzipResponseWriter) Write(b []byte) (int, error) {
return w.Writer.Write(b)
}
func gzipHandler(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
next.ServeHTTP(w, r)
return
}
w.Header().Set("Content-Encoding", "gzip")
w.Header().Del("Content-Length")
gz := gzip.NewWriter(w)
defer gz.Close()
next.ServeHTTP(gzipResponseWriter{Writer: gz, ResponseWriter: w}, r)
})
}
func main() { func main() {
mux := http.NewServeMux() mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
@@ -23,5 +49,5 @@ func main() {
} }
log.Println("listening on :8000") log.Println("listening on :8000")
http.ListenAndServe(":8000", mux) http.ListenAndServe(":8000", gzipHandler(mux))
} }

41
src/thirdparty/fonts/fonts.css vendored Normal file
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@@ -0,0 +1,41 @@
/* Self-hosted fonts — no CDN */
@font-face {
font-family: 'Inter';
font-style: normal;
font-weight: 300;
font-display: swap;
src: url('/src/thirdparty/fonts/inter-300.woff2') format('woff2');
}
@font-face {
font-family: 'Inter';
font-style: normal;
font-weight: 500;
font-display: swap;
src: url('/src/thirdparty/fonts/inter-500.woff2') format('woff2');
}
@font-face {
font-family: 'Inter';
font-style: normal;
font-weight: 700;
font-display: swap;
src: url('/src/thirdparty/fonts/inter-700.woff2') format('woff2');
}
@font-face {
font-family: 'JetBrains Mono';
font-style: normal;
font-weight: 400;
font-display: swap;
src: url('/src/thirdparty/fonts/jetbrains-mono-400.woff2') format('woff2');
}
@font-face {
font-family: 'JetBrains Mono';
font-style: normal;
font-weight: 600;
font-display: swap;
src: url('/src/thirdparty/fonts/jetbrains-mono-600.woff2') format('woff2');
}

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