diff --git a/.github/workflows/stacker-website.yml b/.github/workflows/stacker-website.yml
index 53a12ca0..e58764c8 100644
--- a/.github/workflows/stacker-website.yml
+++ b/.github/workflows/stacker-website.yml
@@ -44,6 +44,17 @@ jobs:
             type=sha,prefix={{branch}}-,format=short
             type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
 
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Serving regression test
+        working-directory: ./website
+        run: |
+          npm ci
+          npm test
+
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0927ad98..06ae4ad6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,10 @@ All notable changes to this project will be documented in this file.
 
 - A root admin may smoke-clone an unpromoted bake (`channel: "unstable"`), matching the access that already allowed `POST /api/admin/bake`.
 
+### Fixed — Website blog serving
+
+- `stacker.my/blog` and its article URLs serve the blog pages again: the website image no longer runs `serve` in SPA mode, which rewrote every blog path to the landing page.
+
 ## [0.3.5] — 2026-10-19
 
 ### Added — Managed server billing
diff --git a/Cargo.lock b/Cargo.lock
index f1abbf03..9ee7ab1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -607,9 +607,9 @@ dependencies = [
 
 [[package]]
 name = "assert_cmd"
-version = "2.2.0"
+version = "2.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a686bbee5efb88a82df0621b236e74d925f470e5445d3220a5648b892ec99c9"
+checksum = "2aa3a22042e45de04255c7bf3626e239f450200fd0493c1e382263544b20aea6"
 dependencies = [
  "anstyle",
  "bstr",
@@ -1446,9 +1446,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.6.0"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b193af5b67834b676abd72466a96c1024e6a6ad978a1f484bd90b85c94041351"
+checksum = "aa8876b300ab35ba921adea3dfd70157a46249b33f95c9084ae5709785478946"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -1456,9 +1456,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.6.0"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
+checksum = "ec0797fb7aeb1406c84efac526901f7ec3ead2124f946b494e72879d4b54704d"
 dependencies = [
  "anstream",
  "anstyle",
@@ -1469,23 +1469,23 @@ dependencies = [
 
 [[package]]
 name = "clap_complete"
-version = "4.6.0"
+version = "4.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19c9f1dde76b736e3681f28cec9d5a61299cbaae0fce80a68e43724ad56031eb"
+checksum = "78ab9a1a7094014a0d0813f8e7c5a0058ad8fe6cf7475b9151364259f5a35d0f"
 dependencies = [
  "clap",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "4.6.0"
+version = "4.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1110bd8a634a1ab8cb04345d8d878267d57c3cf1b38d91b71af6686408bbca6a"
+checksum = "f9c751b79415d4e559e3d1fcf128e09e720eb673a06d26cf6f392d37d75b66e0"
 dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.5",
 ]
 
 [[package]]
@@ -1772,9 +1772,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.18"
+version = "0.9.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+checksum = "dc74980687109a3b14c72fd458107bf0baa1da1a1a805e178d15501ba9b86d9d"
 dependencies = [
  "crossbeam-utils",
 ]
@@ -4448,9 +4448,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openssl"
-version = "0.10.76"
+version = "0.10.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "951c002c75e16ea2c65b8c7e4d3d51d5530d8dfa7d060b4776828c88cfb18ecf"
+checksum = "f38c4372413cdaaf3cc79dd92d29d7d9f5ab09b51b10dded508fb90bb70b9222"
 dependencies = [
  "bitflags 2.11.0",
  "cfg-if",
@@ -4486,9 +4486,9 @@ checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.112"
+version = "0.9.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57d55af3b3e226502be1526dfdba67ab0e9c96fc293004e79576b2b9edb0dbdb"
+checksum = "13ce1245cd07fcc4cfdb438f7507b0c7e4f3849a69fd84d52374c66d83741bb6"
 dependencies = [
  "cc",
  "libc",
@@ -7200,6 +7200,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12df2e0110f65b775f769bb17ef989067a1d931b2eb822bd4346631eeada89f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "sync_wrapper"
 version = "0.1.2"
@@ -7394,9 +7405,9 @@ dependencies = [
 
 [[package]]
 name = "thin-vec"
-version = "0.2.15"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da322882471314edc77fa5232c587bcb87c9df52bfd0d7d4826f8868ead61899"
+checksum = "b0f7e269b48f0a7dd0146680fa24b50cc67fc0373f086a5b2f99bd084639b482"
 dependencies = [
  "serde",
 ]
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index b38f3c9a..5f3590f2 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -17,7 +17,7 @@ networks:
 
 services:
   stacker:
-    image: trydirect/stacker:0.0.9
+    image: trydirect/stacker:v0.3.2
     container_name: stacker-dev
     restart: always
     networks:
@@ -54,7 +54,7 @@ services:
   # MQ Listener - Consumes deployment progress messages from Install Service
   # and updates deployment status in Stacker database
   stacker-mq-listener:
-    image: trydirect/stacker:0.0.9
+    image: trydirect/stacker:v0.3.2
     container_name: stacker-mq-listener-dev
     restart: always
     networks:
diff --git a/package-lock.json b/package-lock.json
index 7dcc24e7..d06a4489 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,13 +5,13 @@
   "packages": {
     "": {
       "dependencies": {
-        "ws": "^8.21.0"
+        "ws": "^8.22.0"
       }
     },
     "node_modules/ws": {
-      "version": "8.21.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.0.tgz",
-      "integrity": "sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==",
+      "version": "8.22.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.22.0.tgz",
+      "integrity": "sha512-Ydggc987+RO0AnWtZ/7Wq9FtNvcrL1b/RO0ud9mWjUPgDrsAAwQSF51sm2hm1XofbU/4jkpGEsLFsZZxU+1DOg==",
       "engines": {
         "node": ">=10.0.0"
       },
diff --git a/package.json b/package.json
index 40058bec..82c6b305 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "ws": "^8.21.0"
+    "ws": "^8.22.0"
   }
 }
diff --git a/scripts/check-staged-secrets.sh b/scripts/check-staged-secrets.sh
index 13c81b99..d9d2df83 100755
--- a/scripts/check-staged-secrets.sh
+++ b/scripts/check-staged-secrets.sh
@@ -115,6 +115,8 @@ findings=$(printf '%s\n' "$added" | awk -v keyre="$SECRET_KEY_RE" '
     }
 
     # 2. A long hex or base64 blob as a value, whatever the key is called.
+    #    Cargo.lock checksums are public crate hashes, not secrets.
+    path ~ /Cargo[.]lock$/ && content ~ /checksum = / { next }
     value ~ /^[0-9a-fA-F]{32,}$/ {
         print path ":" lineno ": " length(value) "-char hex value"
         next
diff --git a/web/package-lock.json b/web/package-lock.json
index b2c76541..a4501927 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -22,7 +22,7 @@
         "jsdom": "^29.0.2",
         "typescript": "^5.5.0",
         "vite": "^5.4.0",
-        "vitest": "^1.6.1"
+        "vitest": "^3.2.6"
       }
     },
     "node_modules/@adobe/css-tools": {
@@ -937,19 +937,6 @@
         }
       }
     },
-    "node_modules/@jest/schemas": {
-      "version": "29.6.3",
-      "resolved": "https://registry.npmjs.org/@jest/schemas/-/schemas-29.6.3.tgz",
-      "integrity": "sha512-mo5j5X+jIZmJQveBKeS/clAueipV7KgiX1vMgCxam1RNYiqE1w62n0/tJJnHtjW8ZHcQco5gY85jA3mi0L+nSA==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@sinclair/typebox": "^0.27.8"
-      },
-      "engines": {
-        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
-      }
-    },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.3.13",
       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz",
@@ -1396,13 +1383,6 @@
         "win32"
       ]
     },
-    "node_modules/@sinclair/typebox": {
-      "version": "0.27.10",
-      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.10.tgz",
-      "integrity": "sha512-MTBk/3jGLNB2tVxv6uLlFh1iu64iYOQ2PbdOSK3NW8JZsmlaOh2q6sdtKowBhfw8QFLmYNzTW4/oK4uATIi6ZA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@testing-library/dom": {
       "version": "10.4.1",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.1.tgz",
@@ -1546,6 +1526,17 @@
         "@babel/types": "^7.28.2"
       }
     },
+    "node_modules/@types/chai": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz",
+      "integrity": "sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/deep-eql": "*",
+        "assertion-error": "^2.0.1"
+      }
+    },
     "node_modules/@types/d3-color": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
@@ -1595,6 +1586,13 @@
         "@types/d3-selection": "*"
       }
     },
+    "node_modules/@types/deep-eql": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
+      "integrity": "sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
@@ -1610,9 +1608,9 @@
       "license": "MIT"
     },
     "node_modules/@types/react": {
-      "version": "18.3.28",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.28.tgz",
-      "integrity": "sha512-z9VXpC7MWrhfWipitjNdgCauoMLRdIILQsAEV+ZesIzBq/oUlxk0m3ApZuMFCXdnS4U7KrI+l3WRUEGQ8K1QKw==",
+      "version": "18.3.31",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.31.tgz",
+      "integrity": "sha512-vfEqpXTvwT91yhmwdfouStN2hSKwTvyRs8qpLfADyrq/kxDw0hZM7Wk9Ug1FELj8hIby+S/+kQCSRFF32nv2Qw==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
@@ -1652,122 +1650,145 @@
       }
     },
     "node_modules/@vitest/expect": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-1.6.1.tgz",
-      "integrity": "sha512-jXL+9+ZNIJKruofqXuuTClf44eSpcHlgj3CiuNihUF3Ioujtmc0zIa3UJOW5RjDK1YLBJZnWBlPuqhYycLioog==",
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-3.2.6.tgz",
+      "integrity": "sha512-1+7q9BtaKzEmO+fmNT3kYvoNn5Y71XWAx2Q5HRim4tTVRQVRv4uJFAQ5FbK0OPUeNP/WmVCpxYxoJdvuHVjzBQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "1.6.1",
-        "@vitest/utils": "1.6.1",
-        "chai": "^4.3.10"
+        "@types/chai": "^5.2.2",
+        "@vitest/spy": "3.2.6",
+        "@vitest/utils": "3.2.6",
+        "chai": "^5.2.0",
+        "tinyrainbow": "^2.0.0"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
       }
     },
-    "node_modules/@vitest/runner": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-1.6.1.tgz",
-      "integrity": "sha512-3nSnYXkVkf3mXFfE7vVyPmi3Sazhb/2cfZGGs0JRzFsPFvAMBEcrweV1V1GsrstdXeKCTXlJbvnQwGWgEIHmOA==",
+    "node_modules/@vitest/mocker": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-3.2.6.tgz",
+      "integrity": "sha512-EZOrpDbkKotFAP7wPAQV1UIyoGOk4oX7ynWhBhLB7v+meMHbQhU16oPpIYGTTe4oFlhpryGpgpcZP/sin3hYuw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/utils": "1.6.1",
-        "p-limit": "^5.0.0",
-        "pathe": "^1.1.1"
+        "@vitest/spy": "3.2.6",
+        "estree-walker": "^3.0.3",
+        "magic-string": "^0.30.17"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "msw": "^2.4.9",
+        "vite": "^5.0.0 || ^6.0.0 || ^7.0.0-0"
+      },
+      "peerDependenciesMeta": {
+        "msw": {
+          "optional": true
+        },
+        "vite": {
+          "optional": true
+        }
       }
     },
-    "node_modules/@vitest/snapshot": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-1.6.1.tgz",
-      "integrity": "sha512-WvidQuWAzU2p95u8GAKlRMqMyN1yOJkGHnx3M1PL9Raf7AQ1kwLKg04ADlCa3+OXUZE7BceOhVZiuWAbzCKcUQ==",
+    "node_modules/@vitest/pretty-format": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-3.2.7.tgz",
+      "integrity": "sha512-KUHlwqVu0sRlhCdyPdQ/wBoTfRahjUky1MubOmYw9fWfIZy1gNoHpuaaQBPAaMaVYdQYHJLurzj8ECCj5OwTqA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "magic-string": "^0.30.5",
-        "pathe": "^1.1.1",
-        "pretty-format": "^29.7.0"
+        "tinyrainbow": "^2.0.0"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
       }
     },
-    "node_modules/@vitest/snapshot/node_modules/pretty-format": {
-      "version": "29.7.0",
-      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz",
-      "integrity": "sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==",
+    "node_modules/@vitest/runner": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-3.2.6.tgz",
+      "integrity": "sha512-HYcoSj1w5tcgUnzoF0HcyaAQjpA1gj9ftUJ7iSJSuipc02jW9gKkigwZbjFldAfYHA1fa8UZVRftdMY5msWM9Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@jest/schemas": "^29.6.3",
-        "ansi-styles": "^5.0.0",
-        "react-is": "^18.0.0"
+        "@vitest/utils": "3.2.6",
+        "pathe": "^2.0.3",
+        "strip-literal": "^3.0.0"
       },
-      "engines": {
-        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
+      "funding": {
+        "url": "https://opencollective.com/vitest"
       }
     },
-    "node_modules/@vitest/snapshot/node_modules/react-is": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
-      "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==",
+    "node_modules/@vitest/snapshot": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-3.2.6.tgz",
+      "integrity": "sha512-H+ZjNTWGpObenh0YnlBctAPnJSI20P81PL8BPzWpx54YXLLTm8hEsWawtcYLMrwvpK48hGxLLbCS+1KRXhsKhw==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/pretty-format": "3.2.6",
+        "magic-string": "^0.30.17",
+        "pathe": "^2.0.3"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
     },
-    "node_modules/@vitest/spy": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-1.6.1.tgz",
-      "integrity": "sha512-MGcMmpGkZebsMZhbQKkAf9CX5zGvjkBTqf8Zx3ApYWXr3wG+QvEu2eXWfnIIWYSJExIp4V9FCKDEeygzkYrXMw==",
+    "node_modules/@vitest/snapshot/node_modules/@vitest/pretty-format": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-3.2.6.tgz",
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       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "tinyspy": "^2.2.0"
+        "tinyrainbow": "^2.0.0"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
       }
     },
-    "node_modules/@vitest/utils": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-1.6.1.tgz",
-      "integrity": "sha512-jOrrUvXM4Av9ZWiG1EajNto0u96kWAhJ1LmPmJhXXQx/32MecEKd10pOLYgS2BQx1TgkGhloPU1ArDW2vvaY6g==",
+    "node_modules/@vitest/spy": {
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+        "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+        "@vitest/browser": "3.2.6",
+        "@vitest/ui": "3.2.6",
         "happy-dom": "*",
         "jsdom": "*"
       },
@@ -3425,6 +3174,9 @@
         "@edge-runtime/vm": {
           "optional": true
         },
+        "@types/debug": {
+          "optional": true
+        },
         "@types/node": {
           "optional": true
         },
@@ -3490,22 +3242,6 @@
         "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       }
     },
-    "node_modules/which": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
-      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "dev": true,
-      "license": "ISC",
-      "dependencies": {
-        "isexe": "^2.0.0"
-      },
-      "bin": {
-        "node-which": "bin/node-which"
-      },
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/why-is-node-running": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
@@ -3547,19 +3283,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/yocto-queue": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.2.2.tgz",
-      "integrity": "sha512-4LCcse/U2MHZ63HAJVE+v71o7yOdIe4cZ70Wpf8D/IyjDKYQLV5GD46B+hSTjJsvV5PztjvHoU580EftxjDZFQ==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=12.20"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/zustand": {
       "version": "4.5.7",
       "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.7.tgz",
diff --git a/web/package.json b/web/package.json
index 788a4432..be96ef49 100644
--- a/web/package.json
+++ b/web/package.json
@@ -24,6 +24,6 @@
     "jsdom": "^29.0.2",
     "typescript": "^5.5.0",
     "vite": "^5.4.0",
-    "vitest": "^1.6.1"
+    "vitest": "^3.2.6"
   }
 }
diff --git a/website/Dockerfile b/website/Dockerfile
index 055b09a3..7e85af66 100644
--- a/website/Dockerfile
+++ b/website/Dockerfile
@@ -12,4 +12,4 @@ WORKDIR /app
 RUN npm install -g serve
 COPY --from=builder /app/dist ./dist
 EXPOSE 3456
-CMD ["serve", "-s", "dist", "-l", "3456"]
+CMD ["serve", "dist", "-l", "3456"]
diff --git a/website/package.json b/website/package.json
index 9e3f76ce..ffaa2a22 100644
--- a/website/package.json
+++ b/website/package.json
@@ -5,7 +5,8 @@
   "scripts": {
     "build": "tsc && cp src/index.html dist/ && cp src/styles.css dist/ && cp -r assets dist/ && cp -r src/blog dist/blog",
     "dev": "tsc --watch",
-    "serve": "npx serve dist -p 3456"
+    "serve": "npx serve dist -p 3456",
+    "test": "node tests/serving.mjs"
   },
   "devDependencies": {
     "typescript": "^5.3.0",
diff --git a/website/tests/serving.mjs b/website/tests/serving.mjs
new file mode 100644
index 00000000..41dc752f
--- /dev/null
+++ b/website/tests/serving.mjs
@@ -0,0 +1,135 @@
+#!/usr/bin/env node
+// Regression test for the website serving contract.
+//
+// https://stacker.my/blog must serve the blog index page. The `serve` SPA flag
+// (`-s` / `--single`) in the Dockerfile CMD rewrites every unmatched path --
+// including /blog and /blog/<article> -- to the root index.html, so the
+// landing page is served at every blog URL. This test extracts the exact
+// `serve` invocation from the Dockerfile CMD and asserts that the blog pages
+// are served from their own files.
+//
+// Run from website/: npm test
+
+import { readFileSync, existsSync } from "node:fs";
+import { spawn } from "node:child_process";
+import { setTimeout as sleep } from "node:timers/promises";
+import { fileURLToPath } from "node:url";
+import { dirname, join } from "node:path";
+
+const root = join(dirname(fileURLToPath(import.meta.url)), "..");
+const PORT = 4173;
+const BASE = `http://127.0.0.1:${PORT}`;
+
+function fail(message) {
+  console.error(`FAIL: ${message}`);
+  process.exit(1);
+}
+
+function serveArgsFromDockerfile() {
+  const dockerfile = readFileSync(join(root, "Dockerfile"), "utf8");
+  const match = dockerfile.match(/^CMD\s+(\[[^\n]*\])\s*$/m);
+  if (!match) fail("no JSON-array CMD found in Dockerfile");
+  let argv;
+  try {
+    argv = JSON.parse(match[1]);
+  } catch {
+    fail(`CMD is not valid JSON: ${match[1]}`);
+  }
+  if (!argv[0] || !argv[0].endsWith("serve")) {
+    fail(`CMD does not invoke serve: ${argv.join(" ")}`);
+  }
+  if (argv.includes("-s") || argv.includes("--single")) {
+    console.error(
+      "note: CMD uses serve SPA mode (-s); it rewrites /blog to the root page"
+    );
+  }
+  // Keep every CMD argument except the listen address: routing is
+  // port-independent and a fixed test port avoids clashing with a dev server.
+  const args = [];
+  for (let i = 1; i < argv.length; i++) {
+    if (argv[i] === "-l" || argv[i] === "--listen") {
+      i++;
+      continue;
+    }
+    args.push(argv[i]);
+  }
+  args.push("-l", String(PORT));
+  return args;
+}
+
+const dist = join(root, "dist");
+if (!existsSync(join(dist, "index.html"))) {
+  fail("dist/index.html missing -- run `npm run build` in website/ first");
+}
+if (!existsSync(join(dist, "blog", "index.html"))) {
+  fail("dist/blog/index.html missing -- run `npm run build` in website/ first");
+}
+
+const serveBin = join(root, "node_modules", ".bin", "serve");
+if (!existsSync(serveBin)) {
+  fail("node_modules/.bin/serve missing -- run `npm ci` in website/ first");
+}
+
+const args = serveArgsFromDockerfile();
+console.log(`serving dist with: serve ${args.join(" ")}`);
+
+const server = spawn(serveBin, args, { cwd: root, stdio: "ignore" });
+server.on("error", (err) => fail(`could not start serve: ${err.message}`));
+
+async function waitForServer() {
+  for (let i = 0; i < 100; i++) {
+    try {
+      await fetch(BASE, { redirect: "manual" });
+      return;
+    } catch {
+      await sleep(100);
+    }
+  }
+  fail(`serve did not start listening on port ${PORT}`);
+}
+
+const cases = [
+  {
+    path: "/",
+    title: /<title>Stacker /,
+    label: "landing page",
+  },
+  {
+    path: "/blog",
+    title: /<title>Blog - Stacker<\/title>/,
+    label: "blog index",
+    hint: "serve SPA mode (-s) rewrites /blog to the root index.html",
+  },
+  {
+    path: "/blog/ai-startup-hosting.html",
+    title: /<title>How to Deploy an AI-Built Startup/,
+    label: "blog article",
+    hint: "serve SPA mode (-s) rewrites blog article URLs to the root index.html",
+  },
+];
+
+let failed = 0;
+try {
+  await waitForServer();
+  for (const c of cases) {
+    const res = await fetch(BASE + c.path, { redirect: "follow" });
+    const body = await res.text();
+    if (res.status !== 200) {
+      failed++;
+      console.error(`FAIL: GET ${c.path} -> HTTP ${res.status} (${c.label})`);
+    } else if (!c.title.test(body)) {
+      failed++;
+      console.error(`FAIL: GET ${c.path} does not serve the ${c.label}`);
+      if (c.hint) console.error(`      ${c.hint}`);
+    } else {
+      console.log(`PASS: GET ${c.path} serves the ${c.label}`);
+    }
+  }
+} finally {
+  server.kill();
+}
+
+if (failed > 0) {
+  process.exit(1);
+}
+console.log("serving contract OK");