Fix web build in dockerfiles

Dockerfile

@@ -1,11 +1,11 @@
 ARG DOTNET_VERSION=5.0
 
-FROM node:alpine as web-builder
+FROM node:lts-alpine as web-builder
 ARG JELLYFIN_WEB_VERSION=master
-RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python \
+RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python3 \
  && curl -L https://github.com/jellyfin/jellyfin-web/archive/${JELLYFIN_WEB_VERSION}.tar.gz | tar zxf - \
  && cd jellyfin-web-* \
- && npm ci --no-audit \
+ && npm ci --no-audit --unsafe-perm \
  && mv dist /dist
 
 FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION} as builder

Dockerfile.arm

@@ -5,12 +5,12 @@
 ARG DOTNET_VERSION=5.0
 
 
-FROM node:alpine as web-builder
+FROM node:lts-alpine as web-builder
 ARG JELLYFIN_WEB_VERSION=master
-RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python \
+RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python3 \
  && curl -L https://github.com/jellyfin/jellyfin-web/archive/${JELLYFIN_WEB_VERSION}.tar.gz | tar zxf - \
  && cd jellyfin-web-* \
- && npm ci --no-audit \
+ && npm ci --no-audit --unsafe-perm \
  && mv dist /dist
 
 

Dockerfile.arm64

@@ -5,12 +5,12 @@
 ARG DOTNET_VERSION=5.0
 
 
-FROM node:alpine as web-builder
+FROM node:lts-alpine as web-builder
 ARG JELLYFIN_WEB_VERSION=master
-RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python \
+RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python3 \
  && curl -L https://github.com/jellyfin/jellyfin-web/archive/${JELLYFIN_WEB_VERSION}.tar.gz | tar zxf - \
  && cd jellyfin-web-* \
- && npm ci --no-audit \
+ && npm ci --no-audit --unsafe-perm \
  && mv dist /dist