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added documentation to README for custom services

This commit is contained in:
Brad Rydzewski 2014-03-24 14:15:29 -07:00
parent 8d508a4d24
commit 905571ce84

View File

@ -269,11 +269,22 @@ services:
If you omit the version, Drone will launch the latest version of the database. (For example, if you set `mongodb`, Drone will launch MongoDB 2.4.)
**NOTE:** database and service containers are exposed over TCP connections and
You can also launch custom Docker containers using standard docker notation:
```sh
services:
- dockerfile/rethinkdb # same as dockerfile/rethinkdb:latest
- barnybug/elasticsearch:1.0.1
```
**NOTE 1:** database and service containers are exposed over TCP connections and
have their own local IP address. If the **socat** utility is installed inside your
Docker image, Drone will automatically proxy localhost connections to the correct
IP address.
**NOTE 2:** avoid running services that use the same ports. For example, don't specify
multiple versions of Elastic Search since the port will already be in use.
### Caching
Drone can persist directories between builds. This should be used for caching dependencies to