Rebuild ircu (hub and leaf share the same image):
```
-docker-compose build hub
-docker-compose restart hub
-docker-compose restart leaf
+docker-compose up --build hub
+docker-compose up leaf
```
Rebuild and restart gnuworld:
```
-docker-compose build gnuworld
-docker-compose restart gnuworld
+docker-compose up --build gnuworld
```
# PostgreSQL databases