diff --git a/src/main/resources/dbmigration/1.0__initial.sql b/src/main/resources/dbmigration/1.0__initial.sql
new file mode 100644
index 0000000..9042863
--- /dev/null
+++ b/src/main/resources/dbmigration/1.0__initial.sql
@@ -0,0 +1,23 @@
+-- apply changes
+create table data_model (
+  sys_pk                        bigint generated by default as identity not null,
+  deleted_on                    timestamp,
+  deleted                       boolean default false not null,
+  version                       integer not null,
+  created_at                    timestamp not null,
+  modified_at                   timestamp not null,
+  tenant_id                     varchar(255) not null,
+  deleted_by                    varchar(255),
+  tags                          varchar[] not null,
+  comments                      jsonb not null,
+  unique_identifier             varchar(255) not null,
+  entity_name                   varchar(255) not null,
+  data                          jsonb not null,
+  created_by                    varchar(255) not null,
+  modified_by                   varchar(255) not null,
+  constraint entity_unique_id unique (entity_name,unique_identifier,tenant_id),
+  constraint pk_data_model primary key (sys_pk)
+);
+
+-- foreign keys and indices
+create index data_jsonb_idx on data_model using GIN (data) ;
diff --git a/src/main/resources/dbmigration/model/1.0__initial.model.xml b/src/main/resources/dbmigration/model/1.0__initial.model.xml
new file mode 100644
index 0000000..0d281e6
--- /dev/null
+++ b/src/main/resources/dbmigration/model/1.0__initial.model.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
+    <changeSet type="apply">
+        <createTable name="data_model" pkName="pk_data_model">
+            <column name="sys_pk" type="bigint" primaryKey="true"/>
+            <column name="tenant_id" type="varchar" notnull="true"/>
+            <column name="deleted_on" type="localdatetime"/>
+            <column name="deleted_by" type="varchar"/>
+            <column name="tags" type="varchar[]" notnull="true"/>
+            <column name="comments" type="jsonb" notnull="true"/>
+            <column name="unique_identifier" type="varchar" notnull="true"/>
+            <column name="entity_name" type="varchar" notnull="true"/>
+            <column name="data" type="jsonb" notnull="true"/>
+            <column name="deleted" type="boolean" defaultValue="false" notnull="true"/>
+            <column name="version" type="integer" notnull="true"/>
+            <column name="created_at" type="localdatetime" notnull="true"/>
+            <column name="modified_at" type="localdatetime" notnull="true"/>
+            <column name="created_by" type="varchar" notnull="true"/>
+            <column name="modified_by" type="varchar" notnull="true"/>
+            <uniqueConstraint name="entity_unique_id" columnNames="entity_name,unique_identifier,tenant_id" oneToOne="false" nullableColumns=""/>
+        </createTable>
+        <createIndex indexName="ix_data_model_data" tableName="data_model" columns="data" definition="create index data_jsonb_idx on data_model using GIN (data) " platforms="POSTGRES"/>
+    </changeSet>
+</migration>
\ No newline at end of file