Improve: build and deoloy.

[mitsukavg]

build:

docker build -f Dockerfile.build -t popuko/build:latest .
docker run -v `pwd`:/src/github.com/voyagegroup/popuko popuko/build:latest

run:

docker build -f Dockerfile.release -t popuko/release:latest .
docker run -v `pwd`/config:/config popuko/release:latest