use official nodejs install script

dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM node:20-alpine as builder
+FROM node:20-alpine AS builder
 
 WORKDIR /app
 
@@ -15,14 +15,91 @@ ENV VITE_COMMIT_HASH=""
 ENV VITE_APP_VERSION="custom"
 RUN yarn build
 
-FROM nginx:stable-alpine-slim as main
+FROM nginx:stable-alpine-slim AS main
 EXPOSE 80
 
+ENV NODE_VERSION=20.15.1
+
 # install nodejs
-RUN apk add --no-cache libstdc++ wget
-RUN wget https://unofficial-builds.nodejs.org/download/release/v20.12.2/node-v20.12.2-linux-x64-musl.tar.gz
-RUN tar -xf node-v20.12.2-linux-x64-musl.tar.gz && mv node-v20.12.2-linux-x64-musl node-v20.12.2
-RUN rm node-v20.12.2-linux-x64-musl.tar.gz
+# copied from https://github.com/nodejs/docker-node/blob/main/20/alpine3.20/Dockerfile
+RUN addgroup -g 1000 node \
+    && adduser -u 1000 -G node -s /bin/sh -D node \
+    && apk add --no-cache \
+        libstdc++ \
+    && apk add --no-cache --virtual .build-deps \
+        curl \
+    && ARCH= OPENSSL_ARCH='linux*' && alpineArch="$(apk --print-arch)" \
+      && case "${alpineArch##*-}" in \
+        x86_64) ARCH='x64' CHECKSUM="a5263215500d0f53e4b5194791bb8753df2380977d603bf408f5bf897eaf0708" OPENSSL_ARCH=linux-x86_64;; \
+        x86) OPENSSL_ARCH=linux-elf;; \
+        aarch64) OPENSSL_ARCH=linux-aarch64;; \
+        arm*) OPENSSL_ARCH=linux-armv4;; \
+        ppc64le) OPENSSL_ARCH=linux-ppc64le;; \
+        s390x) OPENSSL_ARCH=linux-s390x;; \
+        *) ;; \
+      esac \
+  && if [ -n "${CHECKSUM}" ]; then \
+    set -eu; \
+    curl -fsSLO --compressed "https://unofficial-builds.nodejs.org/download/release/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz"; \
+    echo "$CHECKSUM  node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" | sha256sum -c - \
+      && tar -xJf "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
+      && ln -s /usr/local/bin/node /usr/local/bin/nodejs; \
+  else \
+    echo "Building from source" \
+    # backup build
+    && apk add --no-cache --virtual .build-deps-full \
+        binutils-gold \
+        g++ \
+        gcc \
+        gnupg \
+        libgcc \
+        linux-headers \
+        make \
+        python3 \
+        py-setuptools \
+    # use pre-existing gpg directory, see https://github.com/nodejs/docker-node/pull/1895#issuecomment-1550389150
+    && export GNUPGHOME="$(mktemp -d)" \
+    # gpg keys listed at https://github.com/nodejs/node#release-keys
+    && for key in \
+      4ED778F539E3634C779C87C6D7062848A1AB005C \
+      141F07595B7B3FFE74309A937405533BE57C7D57 \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
+      DD792F5973C6DE52C432CBDAC77ABFA00DDBF2B7 \
+      61FC681DFB92A079F1685E77973F295594EC4689 \
+      8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
+      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+      890C08DB8579162FEE0DF9DB8BEAB4DFCF555EF4 \
+      C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C \
+      108F52B48DB57BB0CC439B2997B01419BD92F80A \
+      A363A499291CBBC940DD62E41F10027AF002F8B0 \
+      CC68F5A3106FF448322E48ED27F5E38D5B0A215F \
+    ; do \
+      gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys "$key" || \
+      gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key" ; \
+    done \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
+    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
+    && gpgconf --kill all \
+    && rm -rf "$GNUPGHOME" \
+    && grep " node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
+    && tar -xf "node-v$NODE_VERSION.tar.xz" \
+    && cd "node-v$NODE_VERSION" \
+    && ./configure \
+    && make -j$(getconf _NPROCESSORS_ONLN) V= \
+    && make install \
+    && apk del .build-deps-full \
+    && cd .. \
+    && rm -Rf "node-v$NODE_VERSION" \
+    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
+  fi \
+  && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
+  # Remove unused OpenSSL headers to save ~34MB. See this NodeJS issue: https://github.com/nodejs/node/issues/46451
+  && find /usr/local/include/node/openssl/archs -mindepth 1 -maxdepth 1 ! -name "$OPENSSL_ARCH" -exec rm -rf {} \; \
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
 
 # install tor
 # copied from https://github.com/klemmchr/tor-alpine/blob/master/Dockerfile
@@ -33,11 +110,6 @@ RUN echo '@edge https://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/ap
 # remove tmp files
 RUN rm -rf /var/cache/apk/* /tmp/* /var/tmp/*
 
-ARG PATH="/node-v20.12.2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-ENV PATH="${PATH}"
-
-# RUN npm install -g yarn@1.22
-
 WORKDIR /app
 COPY --from=builder /app/dist /usr/share/nginx/html
 
@@ -49,4 +121,4 @@ RUN cd /app/server/ && npm install
 ADD ./docker-entrypoint.sh docker-entrypoint.sh
 RUN chmod a+x docker-entrypoint.sh
 
-ENTRYPOINT "/app/docker-entrypoint.sh"
+ENTRYPOINT ["/app/docker-entrypoint.sh"]