customize docker build

docker-compose.yml

@@ -6,12 +6,35 @@ services:
     volumes:
       - catalina_home:/opt/tomcat9
       - smart_data:/data/SMARTConnect
+    networks:
+      - frontend
+      - backend
+    ports:
+      - "8080:8080"
+      - "8443:8443"
+    stdin_open: true
+    tty: true
+  pgsql-postgis:
+    container_name: pgsql-postgis
+    image: postgis/postgis:11-2.5
+    environment:
+      PGDATA: /pgdata
+      POSTGRES_PASSWORD: dspace
+    volumes:
+      - pgdata:/pgdata
+    networks:
+      - backend
     ports:
       - "8080:8080"
       - "8443:8443"
     stdin_open: true
     tty: true
 
+networks:
+  frontend:
+  backend:
+
 volumes:
   catalina_home:
-  smart_data:
+  smart_data:
+  pgdata: