Edit drone.md

configuration/drone/docker.md

@@ -48,6 +48,7 @@ $ docker run \
   --env=DRONE_SERVER_HOST=drone.daoguyujia.com \
   --env=DRONE_SERVER_PROTO=http \
   --env=DRONE_USER_CREATE=username:gogs,machine:false,admin:true,token:55f24eb3d61ef6ac5e83d550178638dc \
+  --env=DRONE_COOKIE_SECRET=91e9fe6277f14e0e8831430bcc7663ab \
   --publish=4001:80 \
   --publish=4443:443 \
   --restart=always \