Fix ci yaml errors

4 jobs from dockerization in 1 minute 45 seconds (queued for 22 seconds)
Status Job ID Name Coverage
  Testing
passed #1903
flake8

00:06

passed #1904
test

01:37

 
  Build
failed #1905
build_prod_image

00:01

 
  Deploy
skipped #1906
deploy_staging
 
Skipping Git submodules setup
$ chmod +x ./setup_ci_env.sh
$ ./setup_ci_env.sh
$ git submodule sync --recursive
Synchronizing submodule url for 'recircle/interface_openstack'
$ git submodule update --init --recursive
$ docker build ./Dockerfile.prod --tag recircle-backend:latest
unable to prepare context: context must be a directory: /home/gitlab-runner/builds/451f3f5a/0/RECIRCLE/portal/Dockerfile.prod
ERROR: Job failed: exit status 1