Run on Bun: bun install, bun --bun next, standalone server under Bun

.dockerignore

@@ -0,0 +1,7 @@
+.git
+.github
+.next
+node_modules
+.env*
+*.md
+scripts

.github/workflows/ci.yml

@@ -8,12 +8,24 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
+      # The version comes from packageManager in package.json, the same Bun the
+      # image (.nixpacks/Dockerfile) pins.
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 24
-          cache: pnpm
-      - run: pnpm install --frozen-lockfile
-      - run: pnpm test
-      - run: pnpm typecheck
-      - run: pnpm build
+          bun-version-file: package.json
+      - run: bun install --frozen-lockfile
+      - run: bun run test
+      - run: bun run typecheck
+      - run: bun run build
+      # The production server must boot under Bun and answer.
+      - name: Standalone server answers under Bun
+        run: |
+          cp -r public .next/standalone/
+          cp -r .next/static .next/standalone/.next/
+          (cd .next/standalone && PORT=3000 HOSTNAME=127.0.0.1 bun server.js > /tmp/server.log 2>&1 &)
+          for i in $(seq 1 30); do
+            code=$(curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:3000/healthz || true)
+            [ "$code" = 200 ] && { echo "/healthz -> $code"; exit 0; }
+            sleep 1
+          done
+          cat /tmp/server.log; exit 1

.nixpacks/Dockerfile

@@ -1,35 +1,44 @@
-FROM ghcr.io/railwayapp/nixpacks:ubuntu-1745885067
-
-ENTRYPOINT ["/bin/bash", "-l", "-c"]
-WORKDIR /app/
-
-
-COPY .nixpacks/nixpkgs-23f9169c4ccce521379e602cc82ed873a1f1b52b.nix .nixpacks/nixpkgs-23f9169c4ccce521379e602cc82ed873a1f1b52b.nix
-RUN nix-env -if .nixpacks/nixpkgs-23f9169c4ccce521379e602cc82ed873a1f1b52b.nix && nix-collect-garbage -d
-
-
-ARG CI NIXPACKS_METADATA NODE_ENV NPM_CONFIG_PRODUCTION
-ENV CI=$CI NIXPACKS_METADATA=$NIXPACKS_METADATA NODE_ENV=$NODE_ENV NPM_CONFIG_PRODUCTION=$NPM_CONFIG_PRODUCTION
-
-# setup phase
-# noop
-
-# install phase
-ENV NIXPACKS_PATH=/app/node_modules/.bin:$NIXPACKS_PATH
-COPY . /app/.
-RUN --mount=type=cache,id=bk0YUPar8-/root/local/share/pnpm/store/v3,target=/root/.local/share/pnpm/store/v3 npm install -g corepack@0.24.1 && corepack enable
-RUN --mount=type=cache,id=bk0YUPar8-/root/local/share/pnpm/store/v3,target=/root/.local/share/pnpm/store/v3 pnpm i --frozen-lockfile
-
-# build phase
-COPY . /app/.
-RUN --mount=type=cache,id=bk0YUPar8-next/cache,target=/app/.next/cache --mount=type=cache,id=bk0YUPar8-node_modules/cache,target=/app/node_modules/.cache pnpm run build
-
-
-RUN printf '\nPATH=/app/node_modules/.bin:$PATH' >> /root/.profile
-
-
-# start
-COPY . /app
-
-CMD ["pnpm run start"]
-
+# syntax=docker/dockerfile:1
+#
+# launch.anapp.now, run on Bun.
+#
+# This file lives at .nixpacks/Dockerfile because that is the path dev2's compose
+# stack builds (cli-tools dev2/dev2-site provision records it per site, and
+# re-provisioning keeps it). It used to be nixpacks output (Node + pnpm); it is now
+# a hand-written Bun image, so do not regenerate it with nixpacks.
+#
+# Contract with /home/anthony/www/launch.anapp.now on dev2, unchanged from the Node
+# image: listens on 3000 inside the container (compose maps 127.0.0.1:APP_PORT),
+# answers /healthz for the deploy health check, reads its env from app.env at run
+# time. No build args.
+
+FROM oven/bun:1.4.0-slim AS deps
+WORKDIR /app
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+FROM deps AS build
+COPY . .
+ENV NEXT_TELEMETRY_DISABLED=1
+# `bun --bun next build` (the build script): Next runs on Bun, not Node.
+RUN bun run build
+
+FROM oven/bun:1.4.0-slim AS runtime
+WORKDIR /app
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV PORT=3000
+# Docker sets HOSTNAME to the container id and Next's standalone server binds to it
+# literally; it must listen on every interface for the published port to reach it.
+ENV HOSTNAME=0.0.0.0
+# Standalone output: server.js plus only the dependencies it imports.
+COPY --from=build --chown=bun:bun /app/.next/standalone ./
+COPY --from=build --chown=bun:bun /app/.next/static ./.next/static
+COPY --from=build --chown=bun:bun /app/public ./public
+# The oven/bun image ships a non-root `bun` user.
+USER bun
+EXPOSE 3000
+# 127.0.0.1, not localhost: localhost resolves ::1 first and Next binds IPv4 only.
+HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
+  CMD bun -e "fetch('http://127.0.0.1:'+(process.env.PORT||3000)+'/healthz').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"
+CMD ["bun", "server.js"]

README.md

@@ -3,20 +3,20 @@
 Top-of-funnel campaign site for [Chovy](https://chovy.com). One job: get a
 visitor to type an app idea and carry it straight into Chovy without retyping.
 
-Next.js 16, TypeScript, pnpm, Node 24. No database: ideas and funnel events are
+Next.js 16, TypeScript, Bun (package manager and runtime). No database: ideas and funnel events are
 forwarded server-to-server to Chovy's campaign API (`chovy-ai` repo,
 `/api/campaign/*`), which is where the experiment report lives.
 
 ## Run
 
 ```
-pnpm install
+bun install
 cp .env.example .env      # fill CHOVY_CAMPAIGN_SECRET (same value as Chovy's CAMPAIGN_SECRET)
-pnpm dev
+bun dev
 ```
 
-`pnpm test` runs the unit tests (allocation, cookie, validation) with `node --test`.
-`pnpm build` type-checks and builds. `pnpm creatives:placeholders` regenerates the
+`bun run test` runs the unit tests (allocation, cookie, validation) with `bun test`.
+`bun run build` type-checks and builds. `bun run creatives:placeholders` regenerates the
 stand-in hero images (see below).
 
 ## How it fits together
@@ -65,7 +65,8 @@ side, keyed by the same anonymous session, and reports everything at
 
 ## Deploy
 
-Railway service from this repo (Nixpacks, `pnpm start`, health check `/healthz`).
+dev2 builds `.nixpacks/Dockerfile` (a hand-written `oven/bun` image running the Next
+standalone server with `bun server.js`) on every merge to main; health check `/healthz`.
 Variables: see `.env.example`. Point `launch.anapp.now` at the service's domain
 and set `SITE_ORIGIN=https://launch.anapp.now`. The apex `anapp.now` should 301
 to the campaign host.