Ruby version : ruby '2.2.3'

Diff from vlrchtlt

• Dockerfile for container definition
• docker-compose.yml for future 'fig-type' usage (DB and else...)
• Readme in MD

SetUp

• fork from vlrchtlt
• set seconde remote from vlrchtlt: ~~sh git remote add ~~

Update

• Get updates from vlrchtlt
• merge in master

~~sh git fetch git checkout master git merge [git push] ~~