CORD-1008 Dockerfile and docker-compose for vtn synchronizer

Change-Id: Ia6624c199624fcb9d497da1326220353c5d2614b
diff --git a/xos/synchronizer/docker-compose.yml b/xos/synchronizer/docker-compose.yml
new file mode 100644
index 0000000..bc7500a
--- /dev/null
+++ b/xos/synchronizer/docker-compose.yml
@@ -0,0 +1,23 @@
+version: '2'
+
+networks:
+  xos:
+    external: true
+
+services:
+  synchronizer:
+    image: xosproject/vtn-synchronizer
+    networks:
+      - xos
+    #command: bash -c "sleep 86400"
+    volumes:
+        - /opt/cord_profile/key_import/vtn_rsa:/opt/xos/services/vtn/keys/vtn_rsa:ro
+        - /opt/cord_profile/node_key:/opt/cord_profile/node_key:ro
+        - /opt/cord/build/platform-install/credentials/xosadmin@opencord.org:/opt/xos/services/vtn/credentials/xosadmin@opencord.org
+    external_links: 
+        - rcordbs_xos_redis_1:redis
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "1000k"
+        max-file: "5"