Mattermost application Cloud Foundry manifest (#278)

README.md

@@ -73,6 +73,26 @@ If you choose to use MySQL instead of PostgreSQL, you should set a different dat
 * `MM_SQLSETTINGS_DATASOURCE` : `MM_USERNAME:MM_PASSWORD@tcp(DB_HOST:DB_PORT_NUMBER)/MM_DBNAME?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s`
 Don't forget to replace all entries (beginning by `MM_` and `DB_`) in `MM_SQLSETTINGS_DATASOURCE` with the real variables values.
 
+If you want to push Mattermost application to **Cloud Foundry**, use a `manifest.yml` like this one (with external PostgreSQL service):
+
+```
+---
+applications:
+- name: mattermost
+  docker:
+    image: mattermost/mattermost-prod-app
+  instances: 1
+  memory: 1G
+  disk_quota: 256M
+  env: 
+    DB_HOST: database host address
+    DB_PORT_NUMBER: database port
+    MM_DBNAME: database name
+    MM_USERNAME: database username
+    MM_PASSWORD: database password
+   
+```
+
 ### Web server container
 This image is optional, you should **not** use it when you have your own reverse-proxy. It is a simple front Web server for the Mattermost app container. If you use the provided `docker-compose.yml` file, you don't have to configure anything. But if your application container is reachable on custom host and/or port (eg. if you use a container provider), you should add those two environment variables :
 * `APP_HOST`: application host address