travis: crazy idea to have travis build docker images

.travis.yml

@@ -1,10 +1,23 @@
+sudo: required
+
+services:
+  - docker
+
 language: go
 
 go:
-  - 1.x
+  - 1.7
 
 script:
   - go build github.com/PonyvilleFM/aura/cmd/aura
   - go install github.com/PonyvilleFM/aura/cmd/aura
   - go build github.com/PonyvilleFM/aura/cmd/aerial
   - go install github.com/PonyvilleFM/aura/cmd/aerial
+  - curl -SsL https://github.com/erikh/box/releases/download/v0.4.1/box-0.4.1.linux.gz -o box.gz
+  - gunzip box.gz && chmod +x ./box && rm box.gz
+  - docker login --username $DOCKER_USERNAME --password $DOCKER_PASSWORD --email $DOCKER_EMAIL
+  - ./box multi ./build/aerial.rb ./build/aura.rb
+  - docker tag pvfm/aerial pvfm/aerial:$TRAVIS_COMMIT
+  - docker tag pvfm/aura pvfm/aura:$TRAVIS_COMMIT
+  - docker push pvfm/aerial:$TRAVIS_COMMIT
+  - docker push pvfm/aura:$TRAVIS_COMMIT