Add config for Cabotage to enable PR previews

.dockerignore

@@ -0,0 +1,12 @@
+node_modules/
+dist/
+.astro/
+.env
+.env.*
+.git/
+.gitignore
+.DS_Store
+README.md
+Dockerfile
+.dockerignore
+npm-debug.log*

Dockerfile

@@ -0,0 +1,18 @@
+FROM oven/bun:1 AS build
+
+WORKDIR /app
+
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+COPY . .
+RUN bun run build
+
+FROM oven/bun:1-slim
+
+WORKDIR /app
+
+COPY --from=build /app/dist ./dist
+COPY serve.ts ./
+
+CMD ["bun", "run", "serve.ts"]

Procfile

@@ -0,0 +1,2 @@
+web: bun run serve.ts
+release: echo 'deploy'

package.json

@@ -29,6 +29,7 @@
   "devDependencies": {
     "@astrojs/check": "^0.9.9",
     "@tailwindcss/postcss": "^4.3.1",
+    "@types/bun": "^1.3.11",
     "@types/mdast": "^4.0.4",
     "@types/turndown": "^5.0.6",
     "fast-xml-parser": "^5.9.2",

serve.ts

@@ -0,0 +1,43 @@
+import { join, resolve } from "node:path";
+
+const DIST = resolve(import.meta.dirname, "dist");
+const SOCK = "/var/run/cabotage/cabotage.sock";
+
+async function serveFile(filePath: string): Promise<Response | null> {
+  const resolved = resolve(filePath);
+  if (!resolved.startsWith(DIST)) return null;
+  const file = Bun.file(resolved);
+  if (await file.exists()) return new Response(file);
+  return null;
+}
+
+Bun.serve({
+  unix: SOCK,
+  async fetch(req) {
+    const url = new URL(req.url);
+    const pathname = decodeURIComponent(url.pathname);
+
+    // Try exact file
+    let resp = await serveFile(join(DIST, pathname));
+    if (resp) return resp;
+
+    // Try as directory with index.html
+    resp = await serveFile(join(DIST, pathname, "index.html"));
+    if (resp) return resp;
+
+    // Try with .html extension
+    resp = await serveFile(join(DIST, pathname + ".html"));
+    if (resp) return resp;
+
+    // 404
+    const notFound = await serveFile(join(DIST, "404.html"));
+    if (notFound)
+      return new Response(notFound.body, {
+        status: 404,
+        headers: notFound.headers,
+      });
+    return new Response("Not Found", { status: 404 });
+  },
+});
+
+console.log(`Listening on ${SOCK}`);

tsconfig.json

@@ -4,6 +4,7 @@
   "exclude": ["dist", "scripts"],
   "compilerOptions": {
     "jsx": "react-jsx",
-    "jsxImportSource": "react"
+    "jsxImportSource": "react",
+    "types": ["bun"]
   }
 }