initial docker-compose with node6 & couchdb1.7

initially written in a dockerfile, inventaire is actually running from local inventaire
folder compiled mannually at hand and lunch inside docker compose
letting the possibility of editing branching inventaire folder and mount it on docker when ready to
test for production environement

docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3'
+services:
+  couch:
+    image: couchdb:1.7.1
+    ports:
+      - "5984:5984"
+    environment:
+      COUCHDB_USER: "couchdb"
+      COUCHDB_PASSWORD: "password"
+  app:
+    image: node:6.11.1
+    command: "npm start"
+    ports:
+      - "3006:3006"
+    volumes:
+      - ./inventaire:/inventaire
+    links:
+      - couch
+    working_dir: /inventaire