use linuxserver.io base image

Dockerfile

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:latest
 
 # Install dependencies only when needed
-FROM node:current-alpine AS deps
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15 AS deps
 
 WORKDIR /app
 
@@ -9,9 +9,9 @@ COPY --link package.json pnpm-lock.yaml* ./
 
 RUN <<EOF
     set -xe
-    apk add libc6-compat tzdata
+    apk add nodejs npm libc6-compat tzdata
     apk add --virtual .gyp python3 make g++
-    yarn global add pnpm
+    npm install -g pnpm
 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"
@@ -27,7 +27,7 @@ COPY . .
 
 RUN <<EOF
     set -xe
-    yarn next telemetry disable
+    npm run telemetry
     mkdir config && echo '-' > config/settings.yaml
     npm run build
 EOF
@@ -42,11 +42,6 @@ LABEL org.opencontainers.image.source='https://github.com/benphelps/homepage'
 LABEL org.opencontainers.image.licenses='Apache-2.0'
 
 ENV NODE_ENV production
-ENV PUID 0
-ENV PGID 0
-ENV TZ Europe/London
-
-USER $PUID:$PGID
 WORKDIR /app
 
 # Copy files from context (this allows the files to copy before the builder stage is done).
@@ -63,4 +58,5 @@ EXPOSE $PORT
 HEALTHCHECK --interval=10s --timeout=3s --start-period=20s \
   CMD wget --no-verbose --tries=1 --spider --no-check-certificate http://localhost:$PORT/api/healthcheck || exit 1
 
+USER $PUID:$PGID
 CMD ["node", "server.js"]

package.json

@@ -6,7 +6,8 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "telemetry": "next telemetry disable"
   },
   "dependencies": {
     "@headlessui/react": "^1.7.0",