Install go

Author: rmichela

.circleci/config.yml

@@ -16,8 +16,10 @@ shared: &shared
     - run:
         name: Install Golang
         command: |
+          sudo apt-get install software-properties-common
           sudo add-apt-repository ppa:longsleep/golang-backports
           sudo apt update
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F6BC817356A3D45E
           sudo apt-get install golang-go
 
     - checkout