update readme about how to use

Dockerfile

@@ -21,5 +21,6 @@ WORKDIR /home/zendesk
 USER zendesk
 
 COPY --from=build /app/zendesk/bin/app .
+COPY --from=build /app/zendesk/data ./data
 
 CMD [ "/home/zendesk/app" ]

README.md

@@ -1,2 +1,53 @@
 # Zendesk Code Challenge
 
+## How to
+
+### How to run
+
+```bash
+
+./auto/run
+
+```
+
+Or without Docker
+
+```bash
+
+go run main.go
+
+```
+
+Please use your arrow keys to select search data type and field name from all fields, then type the value for that field.
+
+If there are something matched, the application will printed out all the information, including linked `User` and `Organisation` information.
+
+Otherwise you should expect a error message says `Cannot find any matched result`
+
+    Notice: Due to the limited time, currently you can't go back in the CLI, if you want to skip the current search then just type `Enter`.
+
+
+
+###  How to test
+
+```bash
+
+./auto/test
+
+```
+
+Or without Docker
+
+```bash
+
+go test ./... -cover
+
+```
+
+### How to build Docker image
+
+```bash
+
+GITHUB_RUN_NUMBER=1 ./auto/build
+
+```

auto/run

@@ -0,0 +1,5 @@
+#!/bin/bash -eu
+
+cd $(dirname $0)/..
+
+docker-compose run app