try to make changes, but even the version downloaded around 13/06/2021 cannot be built

Dockerfile

 FROM ghcr.io/linuxserver/baseimage-ubuntu:bionic
 
-# set version label
-ARG BUILD_DATE
-ARG VERSION
 ARG CODE_RELEASE
-LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
-LABEL maintainer="aptalca"
 
 # environment settings
 ENV HOME="/config"
@@ -63,5 +58,42 @@ RUN \
 # add local files
 COPY /root /
 
+# Install on-my-zsh
+RUN chsh --shell /bin/zsh abc && \ 
+    sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" && \
+    git clone --branch master --single-branch --depth 1 \
+        "https://github.com/zsh-users/zsh-autosuggestions.git" \
+        /config/.oh-my-zsh/plugins/zsh-autosuggestions && \
+    echo "source /config/.oh-my-zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh" \ 
+        >> /config/.zshrc && \
+    git clone --branch master --single-branch --depth 1 \
+        "https://github.com/zsh-users/zsh-syntax-highlighting.git" \
+        /config/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting && \
+    sed -i 's/plugins=(.*/plugins=(git vscode)/' /config/.zshrc && \
+    echo 'PS1="%B%F{blue}%~:%f%b "'           >>/config/.zshrc
+
+# The SSH key pair is stored in /config
+RUN mkdir /root/.ssh && \
+    echo "Host gitlab-student.centralesupelec.fr " >  /root/.ssh/config && \
+    echo "  PreferredAuthentications publickey"    >> /root/.ssh/config && \
+    echo "  IdentityFile /config/.ssh/id_ed25519"  >> /root/.ssh/config && \
+    mkdir /config/.ssh
+
+# VSCode extension for Python
+RUN /usr/local/bin/code-server --install-extension ms-python.python
+
+# /config will be a docker volume, initially empty
+# wrapper_script will do the copy from /init-config
+RUN chown -R abc:abc /config && \
+    mv /config /init-config && \
+    mkdir -p /config/workspace && \
+    chown -R abc:abc /config
+
+# Will be entry point
+COPY wrapper_script.sh /usr/local/lib/wrapper_script.sh
+
+# launch
+ENTRYPOINT ["/bin/bash", "/usr/local/lib/wrapper_script.sh"]
+
 # ports and volumes
 EXPOSE 8443

wrapper_script.sh

+#!/bin/bash
+
+if [ -z $2 ]; then
+    AUTH="none"
+else
+    AUTH="password"
+fi
+
+cp -Rn /init-config/.oh-my-zsh         /config/
+cp -Rn /init-config/.openvscode-server /config/
+cp -Rn /init-config/.zshrc             /config/
+mkdir /config/workspace
+chown -R abc:abc /config
+
+# Environment
+export TZ=Europe/Paris
+export SUDO_PASSWORD=abc
+
+# Not executed ?
+/usr/bin/bash /etc/cont-init.d/30-config
+
+cd /app/openvscode-server || exit
+
+exec \
+    s6-setuidgid abc \
+        /usr/local/bin/code-server \
+            --bind-addr 0.0.0.0:8443 \
+            --user-data-dir /config/data \
+            --extensions-dir /config/extensions \
+            --disable-telemetry \
+            --auth "${AUTH}" \
+            /config/workspace