Add golang 1.11 to bionic 64 bit

bionic/x86_64/Dockerfile → Dockerfile

@@ -2,13 +2,15 @@ FROM ubuntu:bionic
 
 ENV DEBIAN_FRONTEND=noninteractive
 
+RUN add-apt-repository ppa:gophers/archive
+
 RUN apt-get update \
  && apt-get install -y eatmydata \
  && eatmydata apt-get upgrade -y
 
 RUN eatmydata apt-get install -y \
   sudo wget curl tar expect git \
-  devscripts build-essential lintian ccache pbuilder aptitude apt-utils
+  devscripts build-essential lintian ccache pbuilder aptitude apt-utils golang-1.11-go
 
 RUN curl https://packages.icinga.com/icinga.key | apt-key add - \
  && DIST=$(awk -F= '/VERSION_CODENAME=/ {print $2}' /etc/os-release) \