diff --git a/build.sh b/build.sh
index 286c9e1..bf9aa0f 100755
--- a/build.sh
+++ b/build.sh
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
-# Assemble dist/ — the CSP-clean static build served at learn.bztmon.com.
+# Assemble dist/ - the CSP-clean static build served at learn.bztmon.com.
 # The site's face is the delivery arc (index.html); scripts stay SEPARATE files so
 # `script-src 'self'` holds with no 'unsafe-inline' exception. Assembly logic lives
-# in pilot/assemble-arc.mjs (node — the build image carries no python).
+# in pilot/assemble-arc.mjs (node - the build image carries no python).
 set -euo pipefail
 IFS=$'\n\t'
 trap 'printf "build failed at line %s\n" "$LINENO" >&2' ERR
@@ -35,7 +35,7 @@ node pilot/assemble-arc.mjs "$dist"
 # No inline JS may survive into ANY served HTML, or the CSP silently kills the page.
 for page in "$dist"/*.html; do
   if grep -oiE '<script[^>]*>' -- "$page" | grep -qivE 'src='; then
-    printf '%s contains an inline <script> — CSP script-src self would block it\n' "$page" >&2
+    printf '%s contains an inline <script> - CSP script-src self would block it\n' "$page" >&2
     exit 1
   fi
 done
diff --git a/nginx/default.conf b/nginx/default.conf
index 7c44933..778021a 100644
--- a/nginx/default.conf
+++ b/nginx/default.conf
@@ -10,7 +10,7 @@ server {
 
     server_tokens off;
 
-    # Behind the Cloudflare Tunnel on :443 while nginx listens on :8080 — without these,
+    # Behind the Cloudflare Tunnel on :443 while nginx listens on :8080 - without these,
     # nginx emits ABSOLUTE redirects to http://host:8080/... and breaks every link.
     absolute_redirect off;
     port_in_redirect off;
@@ -51,7 +51,7 @@ server {
     }
 
     # ---- Compression ---------------------------------------------------------
-    # WebP/PNG are already compressed — gzipping them burns CPU for nothing.
+    # WebP/PNG are already compressed - gzipping them burns CPU for nothing.
     gzip on;
     gzip_comp_level 6;
     gzip_min_length 1024;
diff --git a/nginx/security-headers.conf b/nginx/security-headers.conf
index 51e834d..2199489 100644
--- a/nginx/security-headers.conf
+++ b/nginx/security-headers.conf
@@ -1,5 +1,5 @@
 # Shared security headers. `include`d in the server block AND in every location that
-# sets its own add_header — a location-level add_header REPLACES inherited headers
+# sets its own add_header - a location-level add_header REPLACES inherited headers
 # rather than merging them (the classic nginx footgun).
 #
 # HSTS is host-scoped: NO includeSubDomains / preload, because the *.bztmon.com
diff --git a/pilot/assemble-arc.mjs b/pilot/assemble-arc.mjs
index 7596312..19a254f 100644
--- a/pilot/assemble-arc.mjs
+++ b/pilot/assemble-arc.mjs
@@ -3,7 +3,7 @@
 // Reads pilot/arc.tpl.html, splits the app <script> out to a fingerprinted arc.js, injects
 // the scene manifests, fingerprints every /assets/ file, sets intrinsic image dimensions,
 // wraps a full HTML document, writes build.json, and runs preflight gates.
-// Runs on bare node (the build image has no python). Artifact build = assemble-arc.py.
+// Runs on bare node (the build image has no python). Superseded the earlier python assembler.
 import { readFileSync, writeFileSync, mkdirSync } from "node:fs";
 import { createHash } from "node:crypto";
 import { dirname, join } from "node:path";
diff --git a/pilot/assemble-arc.py b/pilot/assemble-arc.py
deleted file mode 100644
index 0e34067..0000000
--- a/pilot/assemble-arc.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env python3
-"""Assemble the delivery-arc page: tpl + inlined GSAP + scene manifests + base64 heroes.
-
-Heroes are inlined ONCE (in the <img> src); the slice engine reuses img.src for the
-slab backgrounds, so nothing is duplicated. Manifests come from tools/slice-arc.py.
-"""
-import base64, json, pathlib, re
-
-ROOT = pathlib.Path(__file__).resolve().parent.parent
-
-def b64(webp):
-    return "data:image/webp;base64," + base64.b64encode((ROOT / "assets/dist" / webp).read_bytes()).decode()
-
-def man(tag):
-    return json.dumps(json.loads((ROOT / "pilot" / f"manifest-{tag}.json").read_text()),
-                      separators=(",", ":"))
-
-out = (ROOT / "pilot/arc.tpl.html").read_text() \
-    .replace("__MAN_SURROUND__", man("surround")) \
-    .replace("__MAN_NODE__", man("node")) \
-    .replace("__MAN_POD__", man("pod")) \
-    .replace("__MAN_TRAFFIC__", man("traffic")) \
-    .replace("__MAN_ORBIT__", man("orbit")) \
-    .replace("__MAN_DOCKER__", man("docker")) \
-    .replace("__MAN_CLUSTER__", man("cluster")) \
-    .replace("__MAN_GITOPS__", man("gitops")) \
-    .replace("__MAN_SUPPLY__", man("supply")) \
-    .replace("__MAN_HELM__", man("helm")) \
-    .replace("__HERO_INTRO__", b64("intro-establishing.webp")) \
-    .replace("__HERO_SURROUND__", b64("course-00-surround.webp")) \
-    .replace("__HERO_NODE__", b64("course-III-node.webp")) \
-    .replace("__HERO_POD__", b64("course-III-pod.webp")) \
-    .replace("__HERO_TRAFFIC__", b64("course-IV-traffic.webp")) \
-    .replace("__HERO_ORBIT__", b64("course-V-orbit.webp")) \
-    .replace("__HERO_DOCKER__", b64("docker-layers.webp")) \
-    .replace("__HERO_CLUSTER__", b64("course-II-cluster.webp")) \
-    .replace("__HERO_GITOPS__", b64("course-VI-gitops.webp")) \
-    .replace("__HERO_SUPPLY__", b64("course-VII-supply-chain.webp")) \
-    .replace("__HERO_HELM__", b64("course-VIII-helm-press.webp")) \
-    .replace("__HERO_APPENDIX__", b64("appendix-dependency-ledger.webp")) \
-    .replace("__DIAG_FLOW__", "data:image/svg+xml;base64," + base64.b64encode((ROOT / "assets/dist/delivery-flow.svg").read_bytes()).decode())
-
-assert "__MAN_" not in out and "__HERO_" not in out and "__DIAG_" not in out, "unfilled placeholder"
-
-out = (f"<script>{(ROOT / 'gsap.min.js').read_text()}</script>\n"
-       f"<script>{(ROOT / 'st.min.js').read_text()}</script>\n" + out)
-
-dest = ROOT / "pilot/arc.html"
-dest.write_text(out)
-heroes = len(re.findall(r"data:image/webp", out))
-print(f"built pilot/arc.html  {len(out)/1024:.0f}KB  ({heroes} heroes inlined)")
diff --git a/pilot/assemble.py b/pilot/assemble.py
deleted file mode 100644
index b494078..0000000
--- a/pilot/assemble.py
+++ /dev/null
@@ -1,98 +0,0 @@
-#!/usr/bin/env python3
-"""Derive the Course I slice manifest from measured geometry, then assemble the pilot.
-
-The cut lines below are NOT eyeballed. They were fitted from the hero's own pixels:
-each slab's bottom edge tracked column-by-column through the void gaps, least-squares
-lines through the left and right arms, tip at their intersection. Symmetry of the two
-arms came out within 0-10% on every slab, which is the check that the fit is real.
-Re-derive with tools/fit-geometry.py if the hero is ever regenerated.
-"""
-import base64, json, pathlib, re, sys
-
-ROOT = pathlib.Path(__file__).resolve().parent.parent
-HERO = ROOT / "assets/dist/docker-layers.webp"
-
-# measured bottom silhouettes: left corner -> bottom tip -> right corner (percent of frame)
-CUTS = {
-    "writable": dict(l=(27.75, 27.24), tip=(50.77, 40.73), r=(72.00, 26.87)),
-    "code":     dict(l=(28.38, 41.34), tip=(49.76, 56.15), r=(71.50, 41.02)),
-    "deps":     dict(l=(27.88, 56.36), tip=(49.48, 76.21), r=(71.88, 56.30)),
-    "base":     dict(l=(28.12, 74.41), tip=(49.95, 94.20), r=(71.75, 74.40)),
-}
-EPS  = 0.7    # regions grow UPWARD only — the slab in front always covers the overlap.
-              # Growing downward would drag a copy of the slab behind into the slice.
-NEST = 0.75   # fraction of each gap closed when collapsed
-
-ORDER = ["base", "deps", "code", "writable"]          # paint order: back -> front
-LABEL = {
-    "base":     ("Base image", "The OS layer everything else is stacked on. Pull it once, "
-                               "share it across every image on the host."),
-    "deps":     ("Dependencies", "Your packages and runtime. Change these and every layer "
-                                 "above has to be rebuilt."),
-    "code":     ("Application code", "Your actual program — usually the smallest layer, and "
-                                     "the one that changes every single build."),
-    "writable": ("Writable layer", "Created fresh per container, thrown away when it dies. "
-                                   "Anything written here is not in the image."),
-}
-
-
-def V(c):        return [list(c["l"]), list(c["tip"]), list(c["r"])]
-def up(v, e):    return [[p[0], round(p[1] - e, 2)] for p in v]
-
-
-def band(top, bot):
-    """Region between two silhouettes; sides run to the frame edge, which is pure void."""
-    p = []
-    p += ([[0, top[0][1]]] + top + [[100, top[2][1]]]) if top else [[0, 0], [100, 0]]
-    p += ([[100, bot[2][1]]] + bot[::-1] + [[0, bot[0][1]]]) if bot else [[100, 100], [0, 100]]
-    return p
-
-
-def manifest():
-    tips = {k: CUTS[k]["tip"][1] for k in CUTS}
-    dy, acc = {}, 0.0
-    for i, k in enumerate(ORDER):
-        if i:
-            acc += (tips[ORDER[i - 1]] - tips[k]) * NEST
-        dy[k] = round(acc, 2)
-
-    regions = {
-        "base":     band(up(V(CUTS["deps"]), EPS),     None),
-        "deps":     band(up(V(CUTS["code"]), EPS),     V(CUTS["deps"])),
-        "code":     band(up(V(CUTS["writable"]), EPS), V(CUTS["code"])),
-        "writable": band(None,                          V(CUTS["writable"])),
-    }
-    return {
-        "scene": "course-I-docker-layers", "eps": EPS, "nest": NEST,
-        "source": "assets/dist/docker-layers.webp",
-        "parts": [{"name": k, "title": LABEL[k][0], "blurb": LABEL[k][1],
-                   "anchor": round(CUTS[k]["tip"][1] - 6, 2),
-                   "points": regions[k], "dy": dy[k]} for k in ORDER],
-    }
-
-
-def main():
-    if not HERO.exists():
-        sys.exit(f"missing hero: {HERO}")
-    man = manifest()
-    (ROOT / "pilot/manifest.json").write_text(json.dumps(man, indent=1))
-
-    hero = "data:image/webp;base64," + base64.b64encode(HERO.read_bytes()).decode()
-    out = (ROOT / "pilot/course-1.tpl.html").read_text() \
-        .replace("__MANIFEST__", json.dumps(man, separators=(",", ":"))) \
-        .replace("__HERO__", hero)
-    out = (f"<script>{(ROOT / 'gsap.min.js').read_text()}</script>\n"
-           f"<script>{(ROOT / 'st.min.js').read_text()}</script>\n" + out)
-
-    dest = ROOT / "pilot/course-1.html"
-    dest.write_text(out)
-
-    blocks = re.findall(r"<script>([\s\S]*?)</script>", out)
-    print(f"built {dest.relative_to(ROOT)}  {len(out)/1024:.0f}KB  "
-          f"({len(blocks)} script blocks, hero {len(hero)/1024:.0f}KB inlined)")
-    for name, part in zip(ORDER, man["parts"]):
-        print(f"  {name:<9} {len(part['points']):2d} pts   collapse travel {part['dy']:5.2f}%")
-
-
-if __name__ == "__main__":
-    main()
diff --git a/pilot/course-1.tpl.html b/pilot/course-1.tpl.html
deleted file mode 100644
index 27a45fd..0000000
--- a/pilot/course-1.tpl.html
+++ /dev/null
@@ -1,229 +0,0 @@
-<header class="masthead">
-  <p class="eyebrow">The Exploded Cluster · Course I</p>
-  <h1>An image is not a box.<br><em>It is a stack of frozen diffs.</em></h1>
-  <p class="lede">Scroll, and the thing you keep calling "a container image" comes apart in your hands.
-    Four layers. Each one only stores what changed from the layer under it.</p>
-  <p class="scrollcue" aria-hidden="true">scroll<span></span></p>
-</header>
-
-<section class="course" id="course-1" aria-labelledby="c1h">
-  <h2 id="c1h" class="sr-only">Docker image layers, exploded</h2>
-
-  <div class="pin">
-    <div class="viewport">
-      <figure class="scene" id="scene">
-        <img class="flat" src="__HERO__"
-             alt="An exploded isometric view of a container image: four stacked slabs floating apart —
-                  a heavy metal base, a circuit-etched dependency layer, a magenta-traced code layer,
-                  and a thin frosted-glass writable layer on top.">
-      </figure>
-
-      <ol class="legend" id="legend"></ol>
-    </div>
-  </div>
-</section>
-
-<section class="after">
-  <p class="fieldnote">
-    <b>Field note.</b> The order of your Dockerfile is a caching decision, not a style choice.
-    Put <code>COPY . .</code> above your dependency install and you have told the builder to
-    throw away every cached layer every time you change one line of code.
-  </p>
-</section>
-
-<style>
-:root{
-  --void:#070b14; --ink:#c9d7ef; --dim:#7286a8; --line:#1b2740;
-  --cyan:#3fbaf5; --magenta:#e879f9;
-  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
-  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
-}
-*{box-sizing:border-box}
-body{margin:0;background:var(--void);color:var(--ink);font-family:var(--sans);
-     -webkit-font-smoothing:antialiased;overflow-x:hidden}
-.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
-         clip:rect(0 0 0 0);white-space:nowrap;border:0}
-
-/* ---- masthead ---- */
-.masthead{max-width:64ch;margin:0 auto;padding:18vh 24px 10vh;text-align:center}
-.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
-         color:var(--cyan);margin:0 0 1.6rem}
-.masthead h1{font-size:clamp(2rem,5.5vw,3.6rem);line-height:1.08;margin:0 0 1.4rem;
-             font-weight:600;letter-spacing:-.02em;text-wrap:balance}
-.masthead h1 em{font-style:normal;color:var(--magenta)}
-.lede{font-size:clamp(1rem,1.7vw,1.16rem);line-height:1.65;color:var(--dim);margin:0 auto;max-width:52ch}
-.scrollcue{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
-           color:var(--dim);margin-top:5rem;display:flex;flex-direction:column;align-items:center;gap:.7rem}
-.scrollcue span{display:block;width:1px;height:46px;
-                background:linear-gradient(var(--cyan),transparent)}
-
-/* ---- pinned scene ---- */
-.course{position:relative}
-.pin{min-height:100svh;display:grid;place-items:center;padding:3vh 20px}
-.viewport{width:min(1180px,100%);display:grid;grid-template-columns:minmax(0,1fr) 300px;
-          gap:28px;align-items:center}
-.scene{position:relative;margin:0;line-height:0}
-.scene .flat{display:block;width:100%;height:auto}
-.slab{position:absolute;inset:0;background-size:100% 100%;background-repeat:no-repeat;
-      will-change:transform}
-
-/* ---- legend ---- */
-.legend{position:relative;list-style:none;margin:0;padding:0;height:100%;min-height:min(58vh,540px)}
-.legend li{position:absolute;left:0;right:0;transform:translateY(-50%);
-           padding-left:26px;border-left:1px solid var(--line);
-           opacity:.34;transition:opacity .35s ease,border-color .35s ease}
-.legend li.lit{opacity:1;border-left-color:var(--cyan)}
-.legend .n{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;color:var(--cyan);
-           display:block;margin-bottom:.3rem}
-.legend .t{font-size:.98rem;font-weight:600;margin:0 0 .3rem;letter-spacing:-.01em}
-.legend .b{font-size:.8rem;line-height:1.55;color:var(--dim);margin:0}
-
-.after{max-width:60ch;margin:0 auto;padding:12vh 24px 22vh}
-.fieldnote{border-left:2px solid var(--magenta);padding:0 0 0 20px;margin:0;
-           font-size:.94rem;line-height:1.7;color:var(--dim)}
-.fieldnote b{color:var(--magenta);font-family:var(--mono);font-size:.72rem;
-             letter-spacing:.16em;text-transform:uppercase;display:block;margin-bottom:.5rem}
-.fieldnote code{font-family:var(--mono);font-size:.86em;color:var(--ink);
-                background:#101a2c;padding:.12em .4em;border-radius:3px}
-
-/* ---- small screens: no pin, legend stacks under the scene ---- */
-@media (max-width:860px){
-  .viewport{grid-template-columns:1fr;gap:20px}
-  .legend{height:auto;min-height:0;display:flex;flex-direction:column;gap:14px}
-  .legend li{position:static;transform:none;opacity:1;border-left-color:var(--line)}
-  .legend li.lit{border-left-color:var(--cyan)}
-  .pin{min-height:0;padding:4vh 18px 8vh}
-  .masthead{padding:10vh 22px 6vh}
-}
-
-/* ---- pilot bench (HUD + hand scrub) - strip before P3 wiring ---- */
-.bench{width:min(720px,100%);margin:18px auto 0;text-align:center}
-.bench input{width:100%;accent-color:var(--cyan)}
-.bench .hud{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;
-            color:var(--dim);margin:.5rem 0 0}
-
-/* ---- no JS: the flat hero and the full legend are the page ---- */
-body:not(.fx) .slab{display:none}
-body:not(.fx) .legend li{position:static;transform:none;opacity:1}
-body:not(.fx) .legend{height:auto;min-height:0;display:flex;flex-direction:column;gap:14px}
-</style>
-
-<script>
-(() => {
-  "use strict";
-  const MAN = __MANIFEST__;
-  const HERO = "__HERO__";
-  const scene = document.getElementById("scene");
-  const legend = document.getElementById("legend");
-  const RM = matchMedia("(prefers-reduced-motion: reduce)").matches;
-
-  // ---- legend (always built, JS or not the markup would be empty otherwise) ----
-  MAN.parts.forEach((p, i) => {
-    const li = document.createElement("li");
-    li.dataset.part = p.name;
-    li.style.top = p.anchor + "%";
-    li.innerHTML =
-      '<span class="n">' + String(i + 1).padStart(2, "0") + '</span>' +
-      '<p class="t">' + p.title + '</p>' +
-      '<p class="b">' + p.blurb + '</p>';
-    legend.appendChild(li);
-  });
-
-  if (!window.gsap || !window.ScrollTrigger) return;   // progressive enhancement: leave the flat hero
-  document.body.classList.add("fx");
-  gsap.registerPlugin(ScrollTrigger);
-
-  // ---- slices: one layer per part, all cut from the SAME hero ----
-  const slabs = MAN.parts.map(p => {
-    const d = document.createElement("div");
-    d.className = "slab";
-    d.dataset.part = p.name;
-    d.style.backgroundImage = "url(" + HERO + ")";
-    d.style.clipPath = "polygon(" + p.points.map(q => q[0] + "% " + q[1] + "%").join(",") + ")";
-    scene.appendChild(d);
-    return d;
-  });
-  scene.querySelector(".flat").style.visibility = "hidden";   // slices replace it; alt text survives
-
-  const lis = [...legend.children];
-  const setLit = t => lis.forEach((li, i) => {
-    // a layer "arrives" as its own travel completes; base is home from the start
-    const share = MAN.parts[i].dy / (MAN.parts[MAN.parts.length - 1].dy || 1);
-    li.classList.toggle("lit", t >= share * 0.82);
-  });
-
-  // Travel is CLAMPED at the hero layout: collapsed -> hero, never past it and never
-  // sideways. Occlusion only increases on the way in, which is what keeps each slice's
-  // hidden notch buried. Overshoot or fan and the tears show.
-  const apply = t => {
-    slabs.forEach((el, i) => {
-      el.style.transform = "translate3d(0," + (MAN.parts[i].dy * (1 - t)).toFixed(3) + "%,0)";
-    });
-    scene.style.transform = "scale(" + (0.94 + 0.06 * t).toFixed(4) + ")";
-    setLit(t);
-  };
-
-  // ---- pilot bench: HUD + hand scrub - strip before P3 wiring ----
-  const bench = document.createElement("div");
-  bench.className = "bench";
-  bench.innerHTML =
-    '<input type="range" min="0" max="1000" value="0" aria-label="scrub the teardown">' +
-    '<p class="hud">boot</p>';
-  document.querySelector(".pin").appendChild(bench);
-  const hud = bench.querySelector(".hud");
-  const slider = bench.querySelector("input");
-  let mode = "boot";
-  const show = v => {
-    hud.textContent = mode + " \u00b7 " + innerWidth + "x" + innerHeight +
-      " \u00b7 scroll " + Math.round(scrollY) + " of " +
-      Math.max(0, document.documentElement.scrollHeight - innerHeight) +
-      " \u00b7 t=" + v.toFixed(2);
-    slider.value = String(Math.round(v * 1000));
-  };
-  const drive = v => { apply(v); show(v); };
-  slider.addEventListener("input", () => drive(+slider.value / 1000));
-
-  // The artifact viewer can size the iframe to the content and scroll the PARENT page:
-  // then this window never scrolls and a pinned scrub can never fire. Pick the engine
-  // by what the environment can actually do, not by viewport width alone.
-  const initPin = () => {
-    mode = "pin+scrub";
-    ScrollTrigger.create({
-      trigger: "#course-1",
-      start: "top top",
-      end: "+=2200",
-      pin: ".pin",
-      scrub: 0.6,
-      onUpdate: self => drive(self.progress),
-      onRefreshInit: () => apply(0)
-    });
-    ScrollTrigger.refresh();
-    drive(0);
-  };
-
-  const initAssemble = () => {
-    mode = "assemble";
-    document.querySelector(".pin").style.minHeight = "0";  // svh is degenerate when the frame is content-sized
-    drive(0);
-    const io = new IntersectionObserver(es => {
-      if (!es.some(e => e.isIntersecting)) return;
-      io.disconnect();
-      gsap.to({ v: 0 }, {
-        v: 1, duration: 1.6, ease: "power3.out",
-        onUpdate: function () { drive(this.targets()[0].v); }
-      });
-    }, { threshold: 0.15 });
-    io.observe(scene);
-  };
-
-  const boot = () => {
-    if (RM) { mode = "reduced-motion"; drive(1); return; }
-    const scrollable = document.documentElement.scrollHeight - innerHeight > 120;
-    if (scrollable && matchMedia("(min-width: 861px)").matches) initPin();
-    else initAssemble();
-  };
-  const flat = scene.querySelector(".flat");
-  (flat.decode ? flat.decode().catch(() => {}) : Promise.resolve())
-    .then(() => requestAnimationFrame(() => requestAnimationFrame(boot)));
-})();
-</script>
diff --git a/pilot/manifest.json b/pilot/manifest.json
deleted file mode 100644
index 8ad2bdf..0000000
--- a/pilot/manifest.json
+++ /dev/null
@@ -1,180 +0,0 @@
-{
- "scene": "course-I-docker-layers",
- "eps": 0.7,
- "nest": 0.75,
- "source": "assets/dist/docker-layers.webp",
- "parts": [
-  {
-   "name": "base",
-   "title": "Base image",
-   "blurb": "The OS layer everything else is stacked on. Pull it once, share it across every image on the host.",
-   "anchor": 88.2,
-   "points": [
-    [
-     0,
-     55.66
-    ],
-    [
-     27.88,
-     55.66
-    ],
-    [
-     49.48,
-     75.51
-    ],
-    [
-     71.88,
-     55.6
-    ],
-    [
-     100,
-     55.6
-    ],
-    [
-     100,
-     100
-    ],
-    [
-     0,
-     100
-    ]
-   ],
-   "dy": 0.0
-  },
-  {
-   "name": "deps",
-   "title": "Dependencies",
-   "blurb": "Your packages and runtime. Change these and every layer above has to be rebuilt.",
-   "anchor": 70.21,
-   "points": [
-    [
-     0,
-     40.64
-    ],
-    [
-     28.38,
-     40.64
-    ],
-    [
-     49.76,
-     55.45
-    ],
-    [
-     71.5,
-     40.32
-    ],
-    [
-     100,
-     40.32
-    ],
-    [
-     100,
-     56.3
-    ],
-    [
-     71.88,
-     56.3
-    ],
-    [
-     49.48,
-     76.21
-    ],
-    [
-     27.88,
-     56.36
-    ],
-    [
-     0,
-     56.36
-    ]
-   ],
-   "dy": 13.49
-  },
-  {
-   "name": "code",
-   "title": "Application code",
-   "blurb": "Your actual program \u2014 usually the smallest layer, and the one that changes every single build.",
-   "anchor": 50.15,
-   "points": [
-    [
-     0,
-     26.54
-    ],
-    [
-     27.75,
-     26.54
-    ],
-    [
-     50.77,
-     40.03
-    ],
-    [
-     72.0,
-     26.17
-    ],
-    [
-     100,
-     26.17
-    ],
-    [
-     100,
-     41.02
-    ],
-    [
-     71.5,
-     41.02
-    ],
-    [
-     49.76,
-     56.15
-    ],
-    [
-     28.38,
-     41.34
-    ],
-    [
-     0,
-     41.34
-    ]
-   ],
-   "dy": 28.54
-  },
-  {
-   "name": "writable",
-   "title": "Writable layer",
-   "blurb": "Created fresh per container, thrown away when it dies. Anything written here is not in the image.",
-   "anchor": 34.73,
-   "points": [
-    [
-     0,
-     0
-    ],
-    [
-     100,
-     0
-    ],
-    [
-     100,
-     26.87
-    ],
-    [
-     72.0,
-     26.87
-    ],
-    [
-     50.77,
-     40.73
-    ],
-    [
-     27.75,
-     27.24
-    ],
-    [
-     0,
-     27.24
-    ]
-   ],
-   "dy": 40.1
-  }
- ]
-}
\ No newline at end of file