added compose

Author: Bob Killen

README.md

@@ -20,6 +20,7 @@ docker history from
 ```
 
 ## Demo 4 - Run
+* visit http://localhost:8888 when up
 
 ```
 docker pull nginx:stable-alpine
@@ -33,4 +34,22 @@ docker run -d -v $(pwd)/demo4-run:/usr/share/nginx/html -p 8888:80 nginx:stable-
 **windows**
 ```
 docker run -d -v %cd%/demo4-run:/usr/share/nginx/html -p 8888:80 nginx:stable-alpine
-```
+```
+
+## Compose
+
+* Requires installing compose for your system: https://docs.docker.com/compose/install/
+* Visit http://localhost when up
+
+```
+docker-compose -f compose-wordpress/docker-compose.yml up -d
+```
+
+**To clean up**
+```
+docker-compose -f compose-wordpress/docker-compose.yml stop
+docker-compose -f compose-wordpress/docker-compose.yml rm -f
+docker volume rm composewordpress_db_data
+docker network rm backend
+docker network rm public
+```

compose-wordpress/docker-compose.yml

@@ -0,0 +1,50 @@
+version: '2'
+services:
+  wordpress:
+     depends_on:
+       - db
+     image: wordpress:latest
+     networks:
+       - backend
+     environment:
+       WORDPRESS_DB_HOST: db:3306
+       WORDPRESS_DB_PASSWORD: wordpress
+  db:
+    image: mysql:5.7
+    networks:
+      - backend
+    volumes:
+      - db_data:/var/lib/mysql
+    environment:
+      MYSQL_ROOT_PASSWORD: wordpress
+      MYSQL_DATABASE: wordpress
+      MYSQL_USER: wordpress
+      MYSQL_PASSWORD: wordpress
+  lb:
+    image: dockercloud/haproxy
+    depends_on:
+      - wordpress
+    ports:
+      - 80:80
+    networks:
+      - backend
+      - public
+    environment:
+      - ADDITIONAL_SERVICES=composewordpress:wordpress
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+networks:
+  public:
+    driver: bridge
+  backend:
+    driver: bridge
+    ipam:
+      driver: default
+      config:
+        - subnet: 192.168.223.0/24
+          gateway: 192.168.223.1
+volumes:
+    db_data:
+      driver: local
+
+