Merge pull request #401 from wallabag/impr/doc

doc: change docker-compose healthcheck target

README.md

@@ -132,7 +132,7 @@ services:
     volumes:
       - /opt/wallabag/images:/var/www/wallabag/web/assets/images
     healthcheck:
-      test: ["CMD", "wget" ,"--no-verbose", "--tries=1", "--spider", "http://localhost"]
+      test: ["CMD", "wget" ,"--no-verbose", "--tries=1", "--spider", "http://localhost/api/info"]
       interval: 1m
       timeout: 3s
     depends_on: