pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.kares</groupId>
    <artifactId>webapp</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>webapp</name>
    <dependencies>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <!-- ... -->
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.1-beta-1</version>
                <configuration>
                    <warSourceDirectory>
                        ${basedir}/src/main/webapp
                    </warSourceDirectory>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <properties>
        <!-- will be used as a web resource (@see overrides.groovy) : -->
        <override.resources.dir>
            ${project.build.directory}/override-resources
        </override.resources.dir>
    </properties>
    <profiles>
        <profile>
            <id>production</id>
            <build>
                <plugins>
                    <!-- replace env settings in config files -->
                    <plugin>
                        <groupId>org.codehaus.groovy.maven</groupId>
                        <artifactId>gmaven-plugin</artifactId>
                        <executions>
                            <execution>
                                <phase>generate-resources</phase>
                                <goals>
                                    <goal>execute</goal>
                                </goals>
                                <configuration>
                                    <source>${basedir}/overrides.groovy</source>
                                </configuration>
                            </execution>
                        </executions>
                    </plugin>
                    <plugin>
                        <artifactId>maven-war-plugin</artifactId>
                        <configuration>
                            <webResources>
                                <!-- @see overrides.groovy -->
                                <resource>
                                    <directory>${override.resources.dir}</directory>
                                    <filtering>false</filtering>
                                </resource>
                            </webResources>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
            <properties>
                <!-- read in overrides.groovy -->
                <SOME_PORT>80</SOME_PORT>
            </properties>
        </profile>
    </profiles>
</project>