use alpine based image
tree35cfd8e2a1589d1e4bdfc82dac2fa33a0392d421
-rw-r--r-- 91 .dockerignore
-rw-r--r-- 63 .gitignore
drwxr-xr-x - .mvn
-rw-r--r-- 576 .travis.yml
drwxr-xr-x - AUTHORS
-rw-r--r-- 2756 Dockerfile
-rw-r--r-- 7048 LICENSE
-rw-r--r-- 4315 Makefile
-rw-r--r-- 2536 README.asciidoc
drwxr-xr-x - build
drwxr-xr-x - maven-archetypes
drwxr-xr-x - maven-boms
drwxr-xr-x - maven-extensions
drwxr-xr-x - maven-mixins
drwxr-xr-x - maven-parents
drwxr-xr-x - maven-resources
-rw-r--r-- 2074 maven-version-rules.xml
-rw-r--r-- 12979 pom.xml