Add "Integration with CI tool"

.travis.yml

@@ -0,0 +1,13 @@
+language: go
+go:
+  - 1.10.x
+services:
+  - docker
+before_script:
+  - docker-compose up -d
+  - sleep 5s
+script:
+  - make test
+  - DIFF=`./tbls diff pg://postgres:pgpass@localhost:55432/testdb?sslmode=disable ./sample` && if [ ! -z "$DIFF" ]; then echo "document does not updated."; echo $DIFF; exit 1; fi
+after_script:
+  - make cover

README.md

@@ -2,7 +2,7 @@
 
 `tbls` is a tool for document a database, written in Go.
 
-[Usage](#usage) | [Sample](sample/) | [Install](#install) | [Database Support](#database-support)
+[Usage](#usage) | [Sample](sample/) | [Integration with CI tools](#integration-with-ci-tools) | [Installation](#installation) | [Database Support](#database-support)
 
 ## Usage
 
@@ -11,7 +11,7 @@
 `tbls doc` analyzes a database and generate document in GitHub Friendly Markdown format.
 
 ``` sh
-$ tbls doc postgres://user:pass@hostname:3306/dbname ./dbdoc
+$ tbls doc postgres://user:pass@hostname:5432/dbname ./dbdoc
 ```
 
 Sample [document](sample/) and [schema](test/pg.sql).
@@ -21,10 +21,21 @@ Sample [document](sample/) and [schema](test/pg.sql).
 `tbls diff` shows the difference between database schema and generated document.
 
 ``` sh
-$ tbls diff postgres://user:pass@hostname:3306/dbname ./dbdoc
+$ tbls diff postgres://user:pass@hostname:5432/dbname ./dbdoc
 ```
 
-## Install
+## Integration with CI tools
+
+1. Commit document using `tbls doc`.
+2. Check document updates using `tbls diff`
+
+Set following code to [`your-ci-config.yml`](.travis.yml).
+
+``` sh
+DIFF=`./tbls diff postgres://user:pass@localhost:5432/testdb?sslmode=disable ./dbdoc` && if [ ! -z "$DIFF" ]; then echo "document does not updated."; echo $DIFF; exit 1; fi
+```
+
+## Installation
 
 ``` sh
 $ go get github.com/k1LoW/tbls