|`ARTIFACT_DIR`
|`.war` and `.jar` files from this directory will be copied into the `deployments` directory.
|`target`

|`HTTP_PROXY_HOST`
| Hostname or IP address of a HTTP proxy for Maven to use.
|`192.168.1.1`

|`HTTP_PROXY_PORT`
| TCP Port of a HTTP proxy for Maven to use.
|`8080`

|`HTTP_PROXY_USERNAME`
| If supplied with `HTTP_PROXY_PASSWORD`, use credentials for HTTP proxy.
| myusername

|`HTTP_PROXY_PASSWORD`
| If supplied with `HTTP_PROXY_USERNAME`, use credentials for HTTP proxy.
| mypassword

|`HTTP_PROXY_NONPROXYHOSTS`
| If supplied, a configured HTTP proxy will ignore these hosts.
|`some.example.org\|*.example.net`

|`MAVEN_ARGS`
| Overrides the arguments supplied to maven during build.
|`-e -Popenshift -DskipTests -Dcom.redhat.xpaas.repo.redhatga package`

|`MAVEN_ARGS_APPEND`
| Appends user arguments supplied to maven during build.
|`-Dfoo=bar`

|`MAVEN_MIRROR_URL`
| URL of a Maven Mirror/repository manager to configure.
|`\http://10.0.0.1:8080/repository/internal/`

|`MAVEN_CLEAR_REPO`
| Optionally clear the local maven repository after the build.
|`true`