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Initial commit: chaosmith-site with blog

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Static landing page + markdown blog served by Go.
Goldmark renders posts in-memory, no database.
Dockerfile + compose for podman deployment.

👾 Generated with [Letta Code](https://letta.com)

Co-Authored-By: Letta Code <noreply@letta.com>
This commit is contained in:
Pierre De Lancre
2026-06-24 14:58:29 +03:00
commit c2e58aa9d7
12 changed files with 879 additions and 0 deletions
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/chaosmith-site
/tmp
*.log
.letta/
.directory

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FROM golang:1.26-alpine AS build
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN go build -o /chaosmith-site .
FROM alpine:3.21
RUN apk add --no-cache ca-certificates
WORKDIR /app
COPY --from=build /chaosmith-site .
COPY index.html ABSTRACTS.png ./
COPY src/ ./src/
EXPOSE 8000
CMD ["./chaosmith-site"]

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package blog
import (
"html/template"
"log"
"net/http"
"strings"
)
const pageTpl = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>{{.Title}}</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="preconnect" href="https://fonts.googleapis.com">
<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>
:root {
--bg: #05030a;
--accent: #b574ff;
--accent-soft: rgba(181, 116, 255, 0.12);
--text: #f3f0ff;
--text-dim: #a9a3c4;
--border: rgba(255, 255, 255, 0.06);
}
* { box-sizing: border-box; }
body {
margin: 0; min-height: 100vh;
background: radial-gradient(circle at top, #1a1035 0, #05030a 55%);
color: var(--text);
font-family: "Inter", system-ui, sans-serif;
display: flex; justify-content: center;
}
.wrap { position: relative; z-index: 1; width: 100%; max-width: 820px; padding: 32px 20px 40px; }
header {
display: flex; justify-content: space-between; align-items: center;
gap: 24px; padding: 18px 22px; border-radius: 18px;
border: 1px solid var(--border);
background: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(0,0,0,0.35));
backdrop-filter: blur(18px);
}
.logo-mark {
width: 44px; height: 44px; border-radius: 14px;
border: 1px solid rgba(181,116,255,0.7);
background: radial-gradient(circle at 20% 0, rgba(255,255,255,0.25), transparent 55%),
radial-gradient(circle at 80% 100%, rgba(181,116,255,0.9), transparent 60%);
display: flex; align-items: center; justify-content: center;
font-family: "JetBrains Mono", monospace; font-weight: 600; font-size: 20px;
}
.logo-mark a { color: inherit; text-decoration: none; }
nav { display: flex; gap: 16px; align-items: center; }
nav a { color: var(--text-dim); text-decoration: none; font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; }
nav a:hover { color: var(--accent); }
main { margin-top: 24px; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 12px 0; border-top: 1px solid var(--border); }
.post-list li:first-child { border-top: 0; }
.post-list a { color: var(--text); text-decoration: none; font-size: 16px; }
.post-list a:hover { color: var(--accent); }
.article h1 { font-size: 28px; margin: 0 0 4px; }
.post-date { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 24px; }
.post-date-inline { font-size: 12px; color: var(--text-dim); }
.article p { line-height: 1.7; color: var(--text-dim); }
.article pre {
background: rgba(0,0,0,0.5); border: 1px solid var(--border);
border-radius: 12px; padding: 16px; overflow-x: auto;
}
.article code { font-family: "JetBrains Mono", monospace; font-size: 13px; }
.article a { color: var(--accent); }
.article img { max-width: 100%; border-radius: 12px; }
.article blockquote {
border-left: 3px solid var(--accent); margin: 0; padding: 4px 16px;
color: var(--text-dim);
}
.article h1, .article h2, .article h3 { color: var(--text); }
.article ul, .article ol { color: var(--text-dim); line-height: 1.7; }
footer { margin-top: 30px; font-size: 11px; color: var(--text-dim); display: flex; justify-content: space-between; padding: 4px 2px; }
</style>
</head>
<body>
<div class="wrap">
<header>
<div style="display:flex; gap:14px; align-items:center;">
<div class="logo-mark"><a href="/blog/">CS</a></div>
<nav>
<a href="/">Home</a>
<a href="/blog/">Blog</a>
</nav>
</div>
</header>
<main>
{{if .Post.HTML}}
<article class="article">
<h1>{{.Post.Title}}</h1>
<time class="post-date">{{.Post.Date.Format "January 2, 2006"}}</time>
{{.Post.HTML | safehtml}}
</article>
{{else}}
<h1>Field Notes</h1>
{{if .Posts}}
<ul class="post-list">
{{range .Posts}}
<li>
<a href="/blog/posts/{{.Slug}}">{{.Title}}</a>
<span class="post-date-inline">{{.Date.Format "Jan 2, 2006"}}</span>
</li>
{{end}}
</ul>
{{else}}
<p style="color: var(--text-dim);">No posts yet.</p>
{{end}}
{{end}}
</main>
<footer>
<span>Running on self-hosted infrastructure.</span>
<span>Chaosmith Systems</span>
</footer>
</div>
</body>
</html>`
type pageData struct {
Title string
Posts []Post
Post Post
ActiveSlug string
}
var tmpl *template.Template
func safehtml(s string) template.HTML {
return template.HTML(s)
}
func init() {
var err error
tmpl, err = template.New("blog").Funcs(template.FuncMap{"safehtml": safehtml}).Parse(pageTpl)
if err != nil {
panic(err)
}
}
func render(w http.ResponseWriter, data pageData) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
tmpl.Execute(w, data)
}
func RegisterRoutes(mux *http.ServeMux, contentDir string) error {
store := NewStore()
if err := store.Load(contentDir); err != nil {
log.Printf("blog: warning: could not load posts from %s: %v", contentDir, err)
}
mux.HandleFunc("/blog/admin/reload", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "POST only", http.StatusMethodNotAllowed)
return
}
if err := store.Load(contentDir); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Write([]byte("reloaded\n"))
})
mux.HandleFunc("/blog/posts/", func(w http.ResponseWriter, r *http.Request) {
slug := strings.TrimPrefix(r.URL.Path, "/blog/posts/")
if slug == "" || strings.Contains(slug, "/") {
http.NotFound(w, r)
return
}
p, ok := store.Get(slug)
if !ok {
http.NotFound(w, r)
return
}
render(w, pageData{
Title: p.Title + " — Chaosmith Systems",
Posts: store.All(),
Post: p,
})
})
mux.HandleFunc("/blog/", func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/blog/" {
http.NotFound(w, r)
return
}
render(w, pageData{
Title: "Chaosmith Systems — Field Notes",
Posts: store.All(),
})
})
log.Printf("blog: loaded %d post(s) from %s, mounted at /blog/", store.Count(), contentDir)
return nil
}

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package blog
import (
"bytes"
"os"
"path/filepath"
"regexp"
"sort"
"strings"
"time"
"github.com/yuin/goldmark"
)
type Post struct {
Slug string
Title string
Date time.Time
HTML string
}
type Store struct {
posts []Post
index map[string]int
}
func NewStore() *Store {
return &Store{index: make(map[string]int)}
}
func (s *Store) Load(dir string) error {
entries, err := os.ReadDir(dir)
if err != nil {
return err
}
s.posts = s.posts[:0]
s.index = make(map[string]int)
for _, e := range entries {
if e.IsDir() || !strings.HasSuffix(e.Name(), ".md") {
continue
}
path := filepath.Join(dir, e.Name())
raw, err := os.ReadFile(path)
if err != nil {
continue
}
slug := strings.TrimSuffix(e.Name(), ".md")
title, body, date := parseFrontMatter(raw, slug, path)
var buf bytes.Buffer
if err := goldmark.Convert(body, &buf); err != nil {
continue
}
s.index[slug] = len(s.posts)
s.posts = append(s.posts, Post{
Slug: slug,
Title: title,
Date: date,
HTML: buf.String(),
})
}
// sort newest first
sort.Slice(s.posts, func(i, j int) bool {
return s.posts[i].Date.After(s.posts[j].Date)
})
for i, p := range s.posts {
s.index[p.Slug] = i
}
return nil
}
func (s *Store) All() []Post {
return s.posts
}
func (s *Store) Get(slug string) (Post, bool) {
i, ok := s.index[slug]
if !ok {
return Post{}, false
}
return s.posts[i], true
}
func (s *Store) Count() int {
return len(s.posts)
}
var h1Re = regexp.MustCompile(`(?m)^#\s+(.+)$`)
// Date formats we recognize on the line after the title
var dateFormats = []string{
"2006-01-02",
"January 2, 2006",
"Jan 2, 2006",
"02/01/2006",
}
// parseFrontMatter extracts the title from the first `# heading`,
// strips that line from the body, and tries to parse a date from
// the line immediately after. Falls back to file mod time.
func parseFrontMatter(raw []byte, slug, path string) (title string, body []byte, date time.Time) {
body = raw
// Extract title
m := h1Re.FindSubmatch(raw)
if len(m) >= 2 {
title = strings.TrimSpace(string(m[1]))
} else {
title = slug
}
// Strip the first `# title` line from body so it's not rendered twice
if loc := h1Re.FindIndex(raw); loc != nil {
// Find end of that line
lineEnd := loc[1]
// advance past newline
for lineEnd < len(raw) && (raw[lineEnd] == '\n' || raw[lineEnd] == '\r') {
lineEnd++
}
body = raw[lineEnd:]
}
// Try to parse date from first remaining line
date = fileModTime(path)
rest := strings.TrimSpace(string(body))
if rest != "" {
firstLine := rest
if idx := strings.IndexByte(rest, '\n'); idx >= 0 {
firstLine = strings.TrimSpace(rest[:idx])
}
for _, fmt := range dateFormats {
if t, err := time.Parse(fmt, firstLine); err == nil {
date = t
// strip the date line from body too
if idx := strings.IndexByte(string(body), '\n'); idx >= 0 {
body = body[idx+1:]
} else {
body = nil
}
break
}
}
}
return title, body, date
}
func fileModTime(path string) time.Time {
info, err := os.Stat(path)
if err != nil {
return time.Now()
}
return info.ModTime()
}

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# Hello World
2026-06-24
This is the first post on the blog. It uses **markdown** rendered via goldmark.
## Code blocks work too
```go
func main() {
println("controlled chaos")
}
```
- Bullet lists
- More bullets

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services:
website:
build: .
ports:
- "8000:8000"
volumes:
- ./content/posts:/app/content/posts
restart: unless-stopped

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module chaosmith-site
go 1.26.4
require github.com/yuin/goldmark v1.8.2

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github.com/yuin/goldmark v1.8.2 h1:kEGpgqJXdgbkhcOgBxkC0X0PmoPG1ZyoZ117rDVp4zE=
github.com/yuin/goldmark v1.8.2/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Chaosmith Systems</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description"
content="Chaosmith Systems - engineering, music, and experimental tools forged from controlled chaos.">
<link rel="preconnect" href="https://fonts.googleapis.com">
<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>
:root {
--bg: #05030a;
--bg-alt: #0b0614;
--accent: #b574ff;
--accent-soft: rgba(181, 116, 255, 0.12);
--text: #f3f0ff;
--text-dim: #a9a3c4;
--border: rgba(255, 255, 255, 0.06);
}
* {
box-sizing: border-box;
}
body {
margin: 0;
min-height: 100vh;
background: radial-gradient(circle at top, #1a1035 0, #05030a 55%);
color: var(--text);
font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
display: flex;
align-items: stretch;
justify-content: center;
}
.noise {
position: fixed;
inset: 0;
pointer-events: none;
opacity: 0.12;
mix-blend-mode: soft-light;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='3' stitchTiles='noStitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");
z-index: 0;
}
.wrap {
position: relative;
z-index: 1;
width: 100%;
max-width: 1040px;
padding: 32px 20px 40px;
}
header {
display: flex;
justify-content: space-between;
align-items: flex-start;
gap: 24px;
padding: 18px 22px;
border-radius: 18px;
border: 1px solid var(--border);
background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.35));
backdrop-filter: blur(18px);
}
.logo-mark {
width: 44px;
height: 44px;
border-radius: 14px;
border: 1px solid rgba(181, 116, 255, 0.7);
background:
radial-gradient(circle at 20% 0, rgba(255, 255, 255, 0.25), transparent 55%),
radial-gradient(circle at 80% 100%, rgba(181, 116, 255, 0.9), transparent 60%);
display: flex;
align-items: center;
justify-content: center;
font-family: "JetBrains Mono", monospace;
font-weight: 600;
font-size: 20px;
letter-spacing: 0.08em;
}
.brand {
display: flex;
flex-direction: column;
gap: 4px;
}
.brand h1 {
margin: 0;
font-size: clamp(26px, 3vw, 30px);
letter-spacing: 0.12em;
text-transform: uppercase;
}
.brand span {
font-size: 14px;
color: var(--text-dim);
}
.header-right {
text-align: right;
display: flex;
flex-direction: column;
gap: 6px;
}
.tag {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 6px 10px;
border-radius: 999px;
background: rgba(0, 0, 0, 0.5);
border: 1px solid var(--border);
font-size: 11px;
text-transform: uppercase;
letter-spacing: 0.14em;
color: var(--text-dim);
}
.tag-dot {
width: 7px;
height: 7px;
border-radius: 50%;
background: radial-gradient(circle, #8cffc7 0, #1aff89 35%, #00c46d 100%);
box-shadow: 0 0 8px rgba(0, 255, 170, 0.8);
}
.header-right p {
margin: 0;
font-size: 13px;
color: var(--text-dim);
}
main {
margin-top: 24px;
display: grid;
grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
gap: 20px;
}
@media (max-width: 820px) {
main {
grid-template-columns: minmax(0, 1fr);
}
.header-right {
text-align: left;
align-items: flex-start;
}
}
.hero {
padding: 22px;
border-radius: 18px;
border: 1px solid var(--border);
background:
radial-gradient(circle at 0 0, rgba(181, 116, 255, 0.18), transparent 60%),
linear-gradient(145deg, rgba(0, 0, 0, 0.85), rgba(8, 4, 22, 0.95));
}
.hero-title {
font-size: clamp(24px, 3.3vw, 30px);
margin: 0 0 10px;
}
.hero-sub {
margin: 0 0 18px;
font-size: 14px;
color: var(--text-dim);
}
.hero-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 10px;
margin-bottom: 20px;
}
@media (max-width: 640px) {
.hero-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
}
.pill {
padding: 9px 10px;
border-radius: 13px;
background: rgba(0, 0, 0, 0.55);
border: 1px solid rgba(255, 255, 255, 0.05);
font-size: 12px;
color: var(--text-dim);
}
.pill span {
display: block;
font-size: 11px;
text-transform: uppercase;
letter-spacing: 0.12em;
color: var(--accent);
margin-bottom: 4px;
}
.hero-footer {
display: flex;
flex-wrap: wrap;
gap: 10px;
align-items: center;
justify-content: space-between;
}
.btn-primary {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 9px 18px;
border-radius: 999px;
border: 0;
cursor: pointer;
font-size: 13px;
font-weight: 600;
font-family: inherit;
background: radial-gradient(circle at 0 0, #ffd0ff 0, #b574ff 40%, #5b38ff 100%);
color: #05030a;
text-decoration: none;
}
.btn-primary:hover {
filter: brightness(1.05);
}
.subnote {
font-size: 11px;
color: var(--text-dim);
max-width: 260px;
}
.side {
display: flex;
flex-direction: column;
gap: 14px;
}
.card {
border-radius: 16px;
border: 1px solid var(--border);
background: linear-gradient(150deg, rgba(8, 5, 20, 0.96), rgba(4, 3, 10, 0.96));
padding: 16px 16px 14px;
}
.card h2 {
margin: 0 0 8px;
font-size: 14px;
text-transform: uppercase;
letter-spacing: 0.16em;
color: var(--text-dim);
}
.card p {
margin: 0 0 12px;
font-size: 13px;
color: var(--text-dim);
}
.list {
list-style: none;
margin: 0;
padding: 0;
font-size: 13px;
}
.list li {
display: flex;
align-items: center;
justify-content: space-between;
gap: 10px;
padding: 6px 0;
border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.list li:first-child {
border-top: 0;
}
.list-label {
color: var(--text);
}
.list-tag {
font-size: 11px;
color: var(--text-dim);
padding: 3px 8px;
border-radius: 999px;
background: var(--accent-soft);
}
.links {
display: flex;
flex-wrap: wrap;
gap: 8px;
}
.chip {
font-size: 12px;
padding: 6px 10px;
border-radius: 999px;
border: 1px solid rgba(255, 255, 255, 0.08);
background: rgba(0, 0, 0, 0.6);
}
.chip a {
color: var(--accent);
text-decoration: none;
}
footer {
margin-top: 20px;
font-size: 11px;
color: var(--text-dim);
display: flex;
justify-content: space-between;
gap: 10px;
padding: 4px 2px;
}
footer span:last-child {
text-align: right;
}
</style>
</head>
<body>
<script src="src/thirdparty/htmx.min.js.js"></script>
<div class="noise"></div>
<div class="wrap">
<header>
<div style="display:flex; gap:14px; align-items:center;">
<div class="logo-mark">CS</div>
<div class="brand">
<h1>Chaosmith Systems</h1>
<span>Personal stack of tools, sound, and infrastructure.</span>
</div>
</div>
<div class="header-right">
<div class="tag">
<div class="tag-dot"></div>
<span>Live node</span>
</div>
<p>One human. One domain. Too many projects.</p>
<p>Bus factor: <b>1</b></p>
</div>
</header>
<main>
<section class="hero">
<h2 class="hero-title">Forging systems from controlled chaos.</h2>
<p class="hero-sub">
Engineering, music, and experiments connected under one namespace.
This site is the central entry point to everything running on <strong>chaosmith.systems</strong>.
</p>
<div class="hero-grid">
<div class="pill">
<span>Engineering</span>
Modular input devices, VR / XR tooling, custom infra.
</div>
<div class="pill">
<span>Audio</span>
Cinematic strings, deathstep textures, dreadful vibes.
</div>
<div class="pill">
<span>Labs</span>
Prototypes, agents, data stacks, weird side projects.
</div>
</div>
<div class="hero-footer">
<a class="btn-primary" href="/blog/">View blog</a>
<p class="subnote">
This is an evolving node. Expect broken links, work-in-progress bs,
and the occasional cursed experiment.
</p>
</div>
</section>
<aside class="side">
<div class="card" id="systems">
<h2>Currently in focus</h2>
<ul class="list">
<li>
<span class="list-label">ARCHON GRID</span>
<span class="list-tag">symbolic engine</span>
</li>
<li>
<span class="list-label">Modular VR / XR input</span>
<span class="list-tag">hardware</span>
</li>
<li>
<span class="list-label">Star Citizen tools</span>
<span class="list-tag">analytics</span>
</li>
<li>
<span class="list-label">Dreadscore / deathstep</span>
<span class="list-tag">music</span>
</li>
</ul>
</div>
<div class="card">
<h2>Links & contact</h2>
<p>Later this block can link to projects, docs, and public repos hosted on subdomains.</p>
<div class="links">
<div class="chip"><a href="https://git.chaosmith.systems">Git repos</a></div>
<div class="chip"><a href="https://t.me/CyrnikBeerz">Telegram meme channel</a></div>
<div class="chip"><a href="matrix:u/@pierre:chaosmith.systems">Matrix: @pierre:chaosmith.systems</a></div>
<div class="chip"><a href="mailto:pierre@chaosmith.systems">Email: pierre@chaosmith.systems</a></div>
</div>
</div>
</aside>
<img src="ABSTRACTS.png" style="box-shadow: 5px 10px; border: 3px double white;" />
</main>
<footer>
<span>Running on self-hosted infrastructure.</span>
<!-- <span><iframe width="110" height="200" src="https://www.myinstants.com/instant/hl2-stalker-scream-30940/embed/" -->
<!-- frameborder="0" scrolling="no"></iframe></span> -->
<!-- <span>&copy; -->
<script>document.write(new Date().getFullYear())</script> Chaosmith Systems
</span>
</footer>
</div>
</body>
</html>

26
main.go Normal file
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package main
import (
"log"
"net/http"
"chaosmith-site/blog"
)
func main() {
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "index.html")
})
mux.HandleFunc("/ABSTRACTS.png", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "ABSTRACTS.png")
})
mux.Handle("/src/", http.StripPrefix("/src/", http.FileServer(http.Dir("src"))))
if err := blog.RegisterRoutes(mux, "content/posts"); err != nil {
log.Fatalf("blog: %v", err)
}
log.Println("listening on :8000")
http.ListenAndServe(":8000", mux)
}

1
src/thirdparty/htmx.min.js.js vendored Normal file
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