generate some Customer sample data for context="sample-data"

src/main/resources/config/application-dev.yml

@@ -57,7 +57,7 @@ spring:
             hibernate.cache.use_query_cache: false
             hibernate.generate_statistics: true
     liquibase:
-        contexts: dev
+        contexts: dev,sample-data
     mail:
         host: localhost
         port: 25

src/main/resources/config/liquibase/changelog/20190403083735_added_entity_Customer.xml

@@ -33,5 +33,17 @@
         </createTable>
         
     </changeSet>
+
+    <changeSet id="20190402141612-2" author="mhoennig" context="sample-data">
+        <loadData encoding="UTF-8"
+                  file="config/liquibase/sample-data/customers.csv"
+                  separator=";"
+                  tableName="customer">
+            <column name="id" type="numeric"/>
+            <column name="jhi_number" type="numeric"/>
+            <column name="prefix" type="string"/>
+        </loadData>
+    </changeSet>
+
     <!-- jhipster-needle-liquibase-add-changeset - JHipster will add changesets here, do not remove-->
 </databaseChangeLog>

src/main/resources/config/liquibase/sample-data/customers.csv

@@ -0,0 +1,7 @@
+id;jhi_number;prefix
+1;10001;aaa
+2;10002;bbb
+3;10003;ccc
+4;10004;ddd
+5;10098;abc
+6;10099;bca