ADD: Db2 container support

ebean-test/src/test/java/main/StartDb2.java

@@ -0,0 +1,22 @@
+package main;
+
+import io.ebean.docker.commands.Db2Config;
+import io.ebean.docker.commands.Db2Container;
+
+public class StartDb2 {
+
+  public static void main(String[] args) {
+
+    Db2Config config = new Db2Config("11.5.6.0a");
+    config.setDbName("unit");
+    config.setUser("unit");
+    config.setPassword("unit");
+
+    // to change collation, charset and other parameters like pagesize:
+    config.setCreateOptions("USING CODESET UTF-8 TERRITORY DE COLLATE USING IDENTITY PAGESIZE 32768");
+    config.setConfigOptions("USING STRING_UNITS CODEUNITS32");
+
+    Db2Container container = new Db2Container(config);
+    container.startWithDropCreate();
+  }
+}

ebean-test/src/test/resources/ebean.properties

@@ -181,9 +181,9 @@ datasource.nuodb.password=test
 datasource.nuodb.url=jdbc:com.nuodb://localhost/testdb
 #datasource.nuodb.driver=com.nuodb.jdbc.Driver
 
-datasource.db2.username=db2admin
-datasource.db2.password=veryverysecret#1234
-datasource.db2.url=jdbc:db2://127.0.0.1:50000/SAMPLE
+datasource.db2.username=unit
+datasource.db2.password=test
+datasource.db2.url=jdbc:db2://127.0.0.1:50000/unit
 #datasource.db2.driver=com.ibm.db2.jcc.DB2Driver
 
 datasource.hana.username=EBEAN_TEST