message: Removes calls from VAR
diff: YELLOW='\033[0;33m'
  NC='\033[0m'
  -NPM_PRUNE_API='( cd api && npm prune --production )'
  -
  echo
  echo "+++ Run docker build and publish. +++"
  echo
  @@ -11,7 +9,7 @@ if [ "$TRAVIS_BRANCH" == "master" ] || [ "$TRAVIS_BRANCH" == "develop" ]; then
  if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then
  echo "+ build docker images";
  echo "+ prune dev-dependencies"
  - $NPM_PRUNE_API
  + ( cd api && npm prune --production )
  docker build -t hdafbi/geli-api:latest -f .docker/api/Dockerfile .
  docker tag hdafbi/geli-api hdafbi/geli-api:$TRAVIS_BRANCH
  docker build -t hdafbi/geli-web-frontend:latest -f .docker/web-frontend/Dockerfile .
  @@ -31,7 +29,7 @@ else
  echo "+ This is a tagged build: $TRAVIS_TAG";
  echo "+ build docker images";
  echo "+ prune dev-dependencies"
  - $NPM_PRUNE_API
  + ( cd api && npm prune --production )
  docker build -t hdafbi/geli-api:$TRAVIS_TAG -f .docker/api/Dockerfile .
  docker build -t hdafbi/geli-web-frontend:$TRAVIS_TAG -f .docker/web-frontend/Dockerfile .
  