diff --git a/examples/grails3-hibernate5-mongodb/src/integration-test/resources/GebConfig.groovy b/examples/grails3-hibernate5-mongodb/src/integration-test/resources/GebConfig.groovy
new file mode 100644
index 00000000..adb480e3
--- /dev/null
+++ b/examples/grails3-hibernate5-mongodb/src/integration-test/resources/GebConfig.groovy
@@ -0,0 +1,41 @@
+import org.openqa.selenium.chrome.ChromeDriver
+import org.openqa.selenium.chrome.ChromeOptions
+import org.openqa.selenium.firefox.FirefoxDriver
+import org.openqa.selenium.firefox.FirefoxOptions
+import org.openqa.selenium.safari.SafariDriver
+
+environments {
+
+    // You need to configure in Safari -> Develop -> Allowed Remote Automation
+    safari {
+        driver = { new SafariDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chrome iT”
+    chrome {
+        driver = { new ChromeDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chromeHeadless iT”
+    chromeHeadless {
+        driver = {
+            ChromeOptions o = new ChromeOptions()
+            o.addArguments('headless')
+            new ChromeDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefoxHeadless iT”
+    firefoxHeadless {
+        driver = {
+            FirefoxOptions o = new FirefoxOptions()
+            o.addArguments('-headless')
+            new FirefoxDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefox iT”
+    firefox {
+        driver = { new FirefoxDriver() }
+    }
+}
\ No newline at end of file
diff --git a/examples/grails3-mongodb-database-per-tenant/src/integration-test/resources/GebConfig.groovy b/examples/grails3-mongodb-database-per-tenant/src/integration-test/resources/GebConfig.groovy
new file mode 100644
index 00000000..adb480e3
--- /dev/null
+++ b/examples/grails3-mongodb-database-per-tenant/src/integration-test/resources/GebConfig.groovy
@@ -0,0 +1,41 @@
+import org.openqa.selenium.chrome.ChromeDriver
+import org.openqa.selenium.chrome.ChromeOptions
+import org.openqa.selenium.firefox.FirefoxDriver
+import org.openqa.selenium.firefox.FirefoxOptions
+import org.openqa.selenium.safari.SafariDriver
+
+environments {
+
+    // You need to configure in Safari -> Develop -> Allowed Remote Automation
+    safari {
+        driver = { new SafariDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chrome iT”
+    chrome {
+        driver = { new ChromeDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chromeHeadless iT”
+    chromeHeadless {
+        driver = {
+            ChromeOptions o = new ChromeOptions()
+            o.addArguments('headless')
+            new ChromeDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefoxHeadless iT”
+    firefoxHeadless {
+        driver = {
+            FirefoxOptions o = new FirefoxOptions()
+            o.addArguments('-headless')
+            new FirefoxDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefox iT”
+    firefox {
+        driver = { new FirefoxDriver() }
+    }
+}
\ No newline at end of file
diff --git a/examples/grails3-mongodb/src/integration-test/resources/GebConfig.groovy b/examples/grails3-mongodb/src/integration-test/resources/GebConfig.groovy
new file mode 100644
index 00000000..adb480e3
--- /dev/null
+++ b/examples/grails3-mongodb/src/integration-test/resources/GebConfig.groovy
@@ -0,0 +1,41 @@
+import org.openqa.selenium.chrome.ChromeDriver
+import org.openqa.selenium.chrome.ChromeOptions
+import org.openqa.selenium.firefox.FirefoxDriver
+import org.openqa.selenium.firefox.FirefoxOptions
+import org.openqa.selenium.safari.SafariDriver
+
+environments {
+
+    // You need to configure in Safari -> Develop -> Allowed Remote Automation
+    safari {
+        driver = { new SafariDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chrome iT”
+    chrome {
+        driver = { new ChromeDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chromeHeadless iT”
+    chromeHeadless {
+        driver = {
+            ChromeOptions o = new ChromeOptions()
+            o.addArguments('headless')
+            new ChromeDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefoxHeadless iT”
+    firefoxHeadless {
+        driver = {
+            FirefoxOptions o = new FirefoxOptions()
+            o.addArguments('-headless')
+            new FirefoxDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefox iT”
+    firefox {
+        driver = { new FirefoxDriver() }
+    }
+}
\ No newline at end of file
diff --git a/examples/grails3-rxmongodb/src/integration-test/resources/GebConfig.groovy b/examples/grails3-rxmongodb/src/integration-test/resources/GebConfig.groovy
new file mode 100644
index 00000000..adb480e3
--- /dev/null
+++ b/examples/grails3-rxmongodb/src/integration-test/resources/GebConfig.groovy
@@ -0,0 +1,41 @@
+import org.openqa.selenium.chrome.ChromeDriver
+import org.openqa.selenium.chrome.ChromeOptions
+import org.openqa.selenium.firefox.FirefoxDriver
+import org.openqa.selenium.firefox.FirefoxOptions
+import org.openqa.selenium.safari.SafariDriver
+
+environments {
+
+    // You need to configure in Safari -> Develop -> Allowed Remote Automation
+    safari {
+        driver = { new SafariDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chrome iT”
+    chrome {
+        driver = { new ChromeDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chromeHeadless iT”
+    chromeHeadless {
+        driver = {
+            ChromeOptions o = new ChromeOptions()
+            o.addArguments('headless')
+            new ChromeDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefoxHeadless iT”
+    firefoxHeadless {
+        driver = {
+            FirefoxOptions o = new FirefoxOptions()
+            o.addArguments('-headless')
+            new FirefoxDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=firefox iT”
+    firefox {
+        driver = { new FirefoxDriver() }
+    }
+}
\ No newline at end of file