sudo docker build -t bluecherry-client .
Sending build context to Docker daemon 118.3kB
Step 1/9 : FROM ubuntu:16.04
—> 9499db781771
Step 2/9 : COPY bluecherry-client_2.2.6-1_amd64.deb .
COPY failed: file not found in build context or excluded by .dockerignore: stat bluecherry-client_2.2.6-1_amd64.deb: file does not exist