Use corepack for arm builds

Dockerfile.aarch64

@@ -12,7 +12,8 @@ RUN \
   apt-get install -y \
     nodejs \
     npm && \
-  npm install --global yarn && \
+  npm install -g corepack && \
+  corepack enable && \
   ln -s /usr/lib/aarch64-linux-gnu/libz.so.1 /usr/lib/aarch64-linux-gnu/libz.so && \
   echo "**** build altus ****" && \
   if [ -z "${ALTUS_VERSION+x}" ]; then \
@@ -42,7 +43,7 @@ LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DA
 LABEL maintainer="thelamer"
 
 # title
-ENV TITLE=Altus 
+ENV TITLE=Altus
 
 COPY --from=build-stage /opt/altus /opt/altus
 

readme-vars.yml

@@ -27,6 +27,8 @@ custom_params:
 opt_security_opt_param: true
 opt_security_opt_param_vars:
   - {run_var: "seccomp=unconfined", compose_var: "seccomp:unconfined", desc: "For Docker Engine only, many modern gui apps need this to function on older hosts as syscalls are unknown to Docker."}
+readonly_supported: false
+nonroot_supported: false
 # application setup block
 app_setup_block_enabled: true
 app_setup_block: |