message: ci: one more try at pushing docker images
diff: @@ -20,7 +20,8 @@ then
  docker push lyft/envoy:latest
  docker tag lyft/envoy:latest lyft/envoy:$TRAVIS_COMMIT
  docker push lyft/envoy:$TRAVIS_COMMIT
  - docker rmi $(docker images -a -q)
  + docker rm $(docker ps -a -q) || true
  + docker rmi $(docker images -a -q) || true
  make -C ci/build_alpine_container
  docker tag lyft/envoy-alpine:latest lyft/envoy-alpine:$TRAVIS_COMMIT
  