fixing travis push

Author: ricardorg79

.travis.yml

@@ -1,19 +1,13 @@
-
 sudo: required
-
 services:
   - docker
-
 language: go
-
 env:
   global:
     - PLUGIN_NAME_ROOTFS=docker-volume-linode:rootfs-${TRAVIS_BUILD_NUMBER}
     - PLUGIN_NAME=docker-volume-linode:${TRAVIS_BRANCH}.${TRAVIS_BUILD_NUMBER}
-
 before_install:
   - go get -u github.com/golang/dep/cmd/dep
-
 script:
   - dep ensure
   - docker build --no-cache -q -t ${PLUGIN_NAME_ROOTFS} .
@@ -24,10 +18,8 @@ script:
   - docker rm -vf tmp
   - docker plugin rm -f ${PLUGIN_NAME} || true
   - docker plugin create ${PLUGIN_NAME} ./plugin
-
 deploy:
   provider: script
   script: bash docker_push
   on:
     tags: true
-

docker_push

@@ -1,4 +1,5 @@
 #!/bin/sh
 
+echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
 docker plugin push ${PLUGIN_NAME}