changed docker_user to docker_username

circle.yml

@@ -45,5 +45,5 @@ deployment:
     commands:
       - git config --global user.email "treeder+circle@gmail.com"
       - git config --global user.name "CircleCI"
-      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+      - docker login -e $DOCKER_EMAIL -u $DOCKER_USERNAME -p $DOCKER_PASS
       - cd $GO_PROJECT && ./release.sh

fn/test.sh

@@ -8,7 +8,7 @@ $fn --version
 rm -rf tmp
 mkdir tmp
 cd tmp
-$fn init --runtime go $DOCKER_USER/fn-test-go
+$fn init --runtime go $DOCKER_USERNAME/fn-test-go
 $fn test
 
 docker rm --force functions || true # just in case