diff --git a/salt-master/README.md b/salt-master/README.md
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+salt-master
+===========
+
+![](https://badge.imagelayers.io/vimagick/salt-master:latest.svg)
+
+Salt is a new approach to infrastructure management. Easy enough to get running
+in minutes, scalable enough to manage tens of thousands of servers, and fast
+enough to communicate with them in seconds.
+
+Salt delivers a dynamic communication bus for infrastructures that can be used
+for orchestration, remote execution, configuration management and much more.
+
+## network topology
+
+- master
+    - coreos: 192.168.1.1
+- minions
+    - arch: 192.168.1.100
+    - debian: 192.168.1.101
+    - ubuntu: 192.168.1.102
+
+## docker-compose.yml
+
+```
+master:
+  image: vimagick/salt-master
+  ports:
+    - "4505:4505"
+    - "4506:4506"
+  restart: always
+```
+
+> Please backup volumes regularly!
+
+## salt-master
+
+```
+$ cd ~/fig/salt/
+$ docker-compose up -d
+$ docker exec -it salt_master_1 bash
+```
+
+## salt-minion
+
+```
+# create roster
+$ cat > /etc/salt/roster << _EOF_
+arch:
+    host: 192.168.1.100
+    user: root
+    passwd: XcAreP36
+
+debian:
+    host: 192.168.1.101
+    user: root
+    passwd: 0Q4yEQw7
+
+ubuntu:
+    host: 192.168.1.102
+    user: root
+    passwd: pc2wW6Dv
+_EOF_
+
+# deploy master key
+$ salt-ssh -i --passwd xxxxxx --key-deploy '*' test.ping
+
+# install salt-minion
+$ salt-ssh '*' -r 'curl -L https://bootstrap.saltstack.com | sudo sh -s -- -A 192.168.1.1'
+
+# list minion keys
+$ salt-key -L
+
+# accept minion keys
+$ salt-key -y -A
+```
diff --git a/salt-master/docker-compose.yml b/salt-master/docker-compose.yml
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+master:
+  image: vimagick/salt-master
+  ports:
+    - "4505:4505"
+    - "4506:4506"
+  restart: always