Update Dockerfile

1 job for master in 2 minutes and 19 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
failed #96821
docker-runner
incremental

00:02:19

 
Name Stage Failure
failed
incremental Build
Removing intermediate container 6751c20a2729
---> 962afe83eaf1
Step 3/3 : RUN (curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -) && add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" && apt-get update && apt-get install -y docker-ce
---> Running in a96804b8ba20
Warning: apt-key output should not be parsed (stdout is not a terminal)
OK
/bin/sh: 1: add-apt-repository: not found
The command '/bin/sh -c (curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -) && add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" && apt-get update && apt-get install -y docker-ce' returned a non-zero code: 127
ERROR: Job failed: exit code 127