docker: Move the docker document and compose to a separate dir. (#3135)

docs/docker/README.md

@@ -37,13 +37,14 @@ docker run -p 9000:9000 --name minio1 \
 
 ```
 
-## 4. Run Distributed Minio on Docker
+## 4. Test Distributed Minio on Docker
 
-To run 4 minio servers inside different docker containers using [docker-compose](https://docs.docker.com/compose/). Please download [docker-compose.yml](https://raw.githubusercontent.com/minio/minio/master/docker-compose.yml) to your project root directory.
+To run 4 minio servers inside different docker containers using [docker-compose](https://docs.docker.com/compose/). Please download [docker-compose.yml](./docker-compose.yml) to your current working directory.
 
 ### Run `docker-compose`
 
 ```sh
+docker-compose pull
 docker-compose up
 ```
 

docs/docker/docker-compose.yml

@@ -8,8 +8,6 @@ services:
     image: minio/minio:edge
     ports:
       - "9001:9000"
-    volumes:
-      - /mnt/export/minio1:/export
     environment:
       MINIO_ACCESS_KEY: minio
       MINIO_SECRET_KEY: minio123
@@ -18,8 +16,6 @@ services:
     image: minio/minio:edge
     ports:
       - "9002:9000"
-    volumes:
-      - /mnt/export/minio2:/export
     environment:
       MINIO_ACCESS_KEY: minio
       MINIO_SECRET_KEY: minio123
@@ -28,8 +24,6 @@ services:
     image: minio/minio:edge
     ports:
       - "9003:9000"
-    volumes:
-      - /mnt/export/minio3:/export
     environment:
       MINIO_ACCESS_KEY: minio
       MINIO_SECRET_KEY: minio123
@@ -38,8 +32,6 @@ services:
     image: minio/minio:edge
     ports:
       - "9004:9000"
-    volumes:
-      - /mnt/export/minio4:/export
     environment:
       MINIO_ACCESS_KEY: minio
       MINIO_SECRET_KEY: minio123