Update Dockerfile

Dockerfile

@@ -29,7 +29,7 @@ RUN rm -f /etc/apt/sources.list.d/*.list && \
 RUN add-apt-repository ppa:flexiondotorg/nvtop && \
     apt-get upgrade -y && \
     apt-get install -y --no-install-recommends nvtop
-
+RUN add-apt-repository ppa:longsleep/golang-backports
 RUN curl -sL https://deb.nodesource.com/setup_20.x  | bash - && \
     apt-get install -y nodejs && \
     npm install -g configurable-http-proxy