fix env in compose

README.md

@@ -20,4 +20,4 @@ Application Options:
       --template=        twitter message template (default: {{.Title}} - {{.Link}}) [$TEMPLATE]
       --dry              dry mode [$DRY]
       --dbg              debug mode [$DEBUG]
-```
+```

docker-compose.yml

@@ -15,8 +15,9 @@ services:
         max-file: "5"
 
     environment:
-      - FEED=http://lorem-rss.herokuapp.com/feed?unit=second&interval=10
-      - CONSUMER_KEY
-      - CONSUMER_SECRET
-      - ACCESS_TOKEN
-      - ACCESS_SECRET
+      - FEED=http://lorem-rss.herokuapp.com/feed?unit=second&interval=30
+      - REFRESH=1m
+      - TWI_CONSUMER_KEY
+      - TWI_CONSUMER_SECRET
+      - TWI_ACCESS_TOKEN
+      - TWI_ACCESS_SECRET