Merge pull request #94 from unageanu/support-docker-compose

Dockerfile: Add docker-compose.yml

README.md

@@ -58,11 +58,33 @@ The easiest way to get an instance of Clair running is to simply pull down the l
 
 ```sh
 $ mkdir $HOME/clair_config
-$ curl -L https://raw.githubusercontent.com/coreos/clair/config.example.yaml -o $HOME/clair_config/config.yaml
+$ curl -L https://raw.githubusercontent.com/coreos/clair/master/config.example.yaml -o $HOME/clair_config/config.yaml
 $ $EDITOR $HOME/clair_config/config.yaml # Add the URI for your postgres database
 $ docker run -p 6060-6061:6060-6061 -v $HOME/clair_config:/config quay.io/coreos/clair -config=/config/config.yaml
 ```
 
+### Docker Compose
+
+Or, You can run an instance of Clair and PosrgreSQL using a docker-compose.
+
+```sh
+$ curl -L https://raw.githubusercontent.com/coreos/clair/master/docker-compose.yml -o $HOME/docker-compose.yml
+$ $EDITOR $HOME/docker-compose.yml # Edit POSTGRES_PASSWORD.
+$ mkdir $HOME/clair_config
+$ curl -L https://raw.githubusercontent.com/coreos/clair/master/config.example.yaml -o $HOME/clair_config/config.yaml
+$ $EDITOR $HOME/clair_config/config.yaml # Add the URI for your postgres database. (see example below)
+--
+database:
+  # PostgreSQL Connection string
+  # http://www.postgresql.org/docs/9.4/static/libpq-connect.html
+  source: postgresql://postgres:<YOUR POSTGRES PASSWORD>@postgres:5432?sslmode=disable
+--
+$ docker-compose -f $HOME/docker-compose.yml up -d
+# if execution of Clair has failed, please try to re-start. 
+# it will fail when Clair is started before the PostgreSQL start a service.
+# $ docker start clair_clair
+```
+
 ### Source
 
 To build Clair, you need to latest stable version of [Go] and a working [Go environment].

docker-compose.yml

@@ -0,0 +1,21 @@
+version: '2'
+services:
+  postgres:
+    container_name: clair_postgres
+    image: postgres:latest
+    environment:
+      POSTGRES_PASSWORD: <SET POSTGRES PASSWORD>
+
+  clair:
+    container_name: clair_clair
+    image: quay.io/coreos/clair
+    depends_on:
+      - postgres
+    ports:
+      - "6060-6061:6060-6061"
+    links:
+      - postgres 
+    volumes:
+      - /tmp:/tmp
+      - ./clair_config:/config
+    command: [-config, /config/config.yaml]