added base Docker readme

docker/README.md

@@ -0,0 +1,39 @@
+## Build the image:
+
+From the root directory of the [vrtmrz/filesystem-livesync](https://github.com/vrtmrz/filesystem-livesync) repository run the following to build the image:
+
+```
+docker build -t filesystem-livesync -f docker/Dockerfile .
+```
+
+## Configure the image:
+
+Assuming a folder at `/tmp/data` was going to store your config and vaults, write the following to `/tmp/data/config.json`:
+
+```
+{
+    "config_1": {
+        "server": {
+            "uri": "http://example-uri/private1_vault",
+            "auth": {
+                "username": "couch_db_username",
+                "password": "couch_db_password",
+                "passphrase": "passphrase_of_private_vault"
+            },
+            "path": "shared/"
+        },
+        "local": {
+            "path": "/data/vault1",
+            "processor": "utils/build.sh",
+            "initialScan": false
+        },
+        "auto_reconnect": true
+    }
+}
+```
+
+## Run the image:
+
+```
+docker run -it --rm -v /tmp/data:/data filesystem-livesync
+```