Fix sources container in demo/complex2s

Now the container correctly works after docker-compose down
and docker-compose up cycle.

demo/complex2s/docker-compose.yml

@@ -157,7 +157,10 @@ services:
     networks:
      - net
     volumes:
-     - source_data:/var/lib/mysql
+     - source_mysql:/var/lib/mysql
+     - source_data:/var/lib/mysqlmounted
+    environment:
+     - CREATE_NEW_DATABASE=if_needed
 
 #  targets:
 #    build: ./targets/
@@ -299,6 +302,7 @@ secrets:
 volumes:
   grouper_data:
   source_data:
+  source_mysql:
   target_data:
   ldap:
   midpoint_data:

demo/complex2s/sources/Dockerfile

@@ -5,6 +5,6 @@ COPY container_files/seed-data/ /seed-data/
 ENV MYSQL_DATABASE sis
 ENV MYSQL_USER sis_user
 ENV MYSQL_PASSWORD 49321420423
-ENV MYSQL_DATADIR /var/lib/mysql
+ENV MYSQL_DATADIR /var/lib/mysqlmounted
 ENV AFTER_FIRST_TIME_SQL /seed-data/persons-and-courses.sql