use official tarballs and patch arm builds

Dockerfile

@@ -11,21 +11,50 @@ LABEL maintainer="aptalca"
 ENV HOME="/config"
 
 RUN \
+  echo "**** install node repo ****" && \
+  curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
+  echo 'deb https://deb.nodesource.com/node_14.x focal main' \
+    > /etc/apt/sources.list.d/nodesource.list && \
+  echo "**** install build dependencies ****" && \
+  apt-get update && \
+  apt-get install -y \
+    build-essential \
+    nodejs && \
+  echo "**** install runtime dependencies ****" && \
+  apt-get install -y \
+    git \
+    jq \
+    libatomic1 \
+    nano \
+    net-tools \
+    sudo && \
   echo "**** install code-server ****" && \
   if [ -z ${CODE_RELEASE+x} ]; then \
     CODE_RELEASE=$(curl -sX GET https://api.github.com/repos/coder/code-server/releases/latest \
     | awk '/tag_name/{print $4;exit}' FS='[""]' | sed 's|^v||'); \
   fi && \
+  mkdir -p /app/code-server && \
   curl -o \
-    /tmp/code-server.deb -L \
-    "https://github.com/coder/code-server/releases/download/v${CODE_RELEASE}/code-server_${CODE_RELEASE}_amd64.deb" && \
-  dpkg -i /tmp/code-server.deb && \
+    /tmp/code-server.tar.gz -L \
+    "https://github.com/coder/code-server/releases/download/v${CODE_RELEASE}/code-server-${CODE_RELEASE}-linux-armv7l.tar.gz" && \
+  tar xf /tmp/code-server.tar.gz -C \
+    /app/code-server --strip-components=1 && \
+  echo "**** patch 4.0.2 ****" && \
+  if [ "${CODE_RELEASE}" = "4.0.2" ] && [ "$(uname -m)" !=  "x86_64" ]; then \
+    cd /app/code-server && \
+    npm i --production @node-rs/argon2; \
+  fi && \
   echo "**** clean up ****" && \
+  apt-get purge --auto-remove -y \
+    build-essential \
+    nodejs && \
+  apt-get clean && \
   rm -rf \
     /config/* \
     /tmp/* \
     /var/lib/apt/lists/* \
-    /var/tmp/*
+    /var/tmp/* \
+    /etc/apt/sources.list.d/nodesource.list
 
 # add local files
 COPY /root /