diff --git a/urlwatch/Dockerfile b/urlwatch/Dockerfile
index ecd9810..23ebaf9 100644
--- a/urlwatch/Dockerfile
+++ b/urlwatch/Dockerfile
@@ -14,7 +14,8 @@ RUN apk add -U ca-certificates \
                make \
                python-dev \
                py-pip \
-    && pip install keyring \
+    && pip install futures \
+                   keyring \
                    lxml \
                    urlwatch \
                    pyyaml \
diff --git a/urlwatch/README.md b/urlwatch/README.md
index b244abd..13109d4 100644
--- a/urlwatch/README.md
+++ b/urlwatch/README.md
@@ -1,7 +1,16 @@
 urlwatch
 ========
 
-[urlwatch][1] - a tool for monitoring webpages for updates
+[urlwatch][1] is a tool for monitoring webpages for updates.
+
+```
+cron: triggered every 15 minutes
+     -> make: generate urls.txt from urls.yml
+             -> urlwatch: fetch webpages
+                         -> hooks.py: extract info
+                                     -> email: send via smtp
+                                              -> (^_^)
+```
 
 ## docker-compose.yml
 
@@ -35,8 +44,7 @@ setup:
 	python -c 'import keyring; keyring.set_password("$(SMTP)", "$(FROM)", "$(PASS)")'
 ```
 
-> Please change `STMP`/`FROM`/`PASS`/`TO`
-
+> Please change `STMP`/`FROM`/`PASS`/`TO` to correct value.
 
 ## urls.yml
 
diff --git a/urlwatch/docker-compose.yml b/urlwatch/docker-compose.yml
new file mode 100644
index 0000000..0da7a56
--- /dev/null
+++ b/urlwatch/docker-compose.yml
@@ -0,0 +1,6 @@
+urlwatch:
+  image: vimagick/urlwatch
+  volumes:
+    - urlwatch/Makefile:/root/.urlwatch/Makefile
+    - urlwatch/urls.yml:/root/.urlwatch/urls.yml
+  restart: always