manually login into the docker registry

Signed-off-by: Augustin Husson <augustin.husson@amadeus.com>
Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

Author: Nexucis

.circleci/config.yml

@@ -46,6 +46,7 @@ jobs:
       - restore_cache:
           keys:
             - v4-crossbuild-cache
+      - run: docker login docker.io -u $DOCKER_LOGIN -p $DOCKER_PASSWORD
       - run: cd ..; GO111MODULE=on go get github.com/goreleaser/goreleaser@v0.131.1
       - run: git reset --hard
       - run: make release