Chore: migrate to pnpm only (#4907)

Dockerfile

@@ -20,6 +20,8 @@ RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store pnpm i
 FROM docker.io/node:22-alpine AS builder
 WORKDIR /app
 
+RUN mkdir config
+
 ARG BUILDTIME
 ARG VERSION
 ARG REVISION
@@ -28,9 +30,9 @@ COPY --link --from=deps /app/node_modules ./node_modules/
 COPY . .
 
 SHELL ["/bin/ash", "-xeo", "pipefail", "-c"]
-RUN npm run telemetry \
- && mkdir config \
- && NEXT_PUBLIC_BUILDTIME=$BUILDTIME NEXT_PUBLIC_VERSION=$VERSION NEXT_PUBLIC_REVISION=$REVISION npm run build
+RUN npm install -g pnpm \
+ && pnpm run telemetry \
+ && NEXT_PUBLIC_BUILDTIME=$BUILDTIME NEXT_PUBLIC_VERSION=$VERSION NEXT_PUBLIC_REVISION=$REVISION pnpm run build
 
 # Production image, copy all the files and run next
 FROM docker.io/node:22-alpine AS runner

Dockerfile-tilt

@@ -10,7 +10,7 @@ RUN <<EOF
     apk add libc6-compat
     apk add --virtual .gyp python3 make g++
     npm install -g pnpm
-    npm install -g next
+    pnpm install -g next
 EOF
 
 RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store pnpm fetch | grep -v "cross-device link not permitted\|Falling back to copying packages from store"

README.md

@@ -111,7 +111,7 @@ First, clone the repository:
 git clone https://github.com/gethomepage/homepage.git
 ```
 
-Then install dependencies and build the production bundle (I'm using pnpm here, you can use npm or yarn if you like):
+Then install dependencies and build the production bundle:
 
 ```bash
 pnpm install

package.json

@@ -3,6 +3,7 @@
   "version": "0.10.9",
   "private": true,
   "scripts": {
+    "preinstall": "npx only-allow pnpm",
     "dev": "next dev",
     "build": "next build",
     "start": "next start",