install using official debs

Dockerfile

@@ -11,51 +11,16 @@ LABEL maintainer="aptalca"
 ENV HOME="/config"
 
 RUN \
-  echo "**** install node repo ****" && \
-  apt-get update && \
-  apt-get install -y \
-    gnupg && \
-  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 && \
-  curl -s https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-  echo 'deb https://dl.yarnpkg.com/debian/ stable main' \
-    > /etc/apt/sources.list.d/yarn.list && \
-  echo "**** install build dependencies ****" && \
-  apt-get update && \
-  apt-get install -y \
-    build-essential \
-    libx11-dev \
-    libxkbfile-dev \
-    pkg-config \
-    python3 && \
-  echo "**** install runtime dependencies ****" && \
-  apt-get install -y \
-    git \
-    jq \
-    nano \
-    net-tools \
-    nodejs \
-    sudo \
-    yarn && \
   echo "**** install code-server ****" && \
   if [ -z ${CODE_RELEASE+x} ]; then \
-    CODE_RELEASE=$(curl -sX GET https://registry.yarnpkg.com/code-server \
-    | jq -r '."dist-tags".latest' | sed 's|^|v|'); \
+    CODE_RELEASE=$(curl -sX GET https://api.github.com/repos/coder/code-server/releases/latest \
+    | awk '/tag_name/{print $4;exit}' FS='[""]' | sed 's|^v||'); \
   fi && \
-  CODE_VERSION=$(echo "$CODE_RELEASE" | awk '{print substr($1,2); }') && \
-  npm config set python python3 && \
-  yarn config set network-timeout 600000 -g && \
-  yarn --production --verbose --frozen-lockfile global add code-server@"$CODE_VERSION" && \
-  yarn cache clean && \
+  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 && \
   echo "**** clean up ****" && \
-  apt-get purge --auto-remove -y \
-    build-essential \
-    libx11-dev \
-    libxkbfile-dev \
-    libsecret-1-dev \
-    pkg-config && \
-  apt-get clean && \
   rm -rf \
     /config/* \
     /tmp/* \