feat(docker-compose): rename containers

docker-compose.yml

@@ -1,31 +1,31 @@
 version: '3'
 services:
-  db:
+  postgis:
     image: postgis/postgis:12-3.3
     environment:
       - POSTGRES_HOST_AUTH_METHOD=trust
     volumes:
-      - db:/var/lib/postgresql/data
+      - postgis:/var/lib/postgresql/data
 
   redis:
     image: redis:latest
 
-  app:
+  umap:
     image: pommib/umap:1.2.3
     ports:
       - "8000:80"
     environment:
-      - DATABASE_URL=postgis://postgres@db/postgres
+      - DATABASE_URL=postgis://postgres@postgis/postgres
       - REDIS_URL=redis://redis:6379/0
       - SECRET_KEY=some-long-and-weirdly-unrandom-secret-key
       - ALLOWED_HOSTS=*
       - SITE_URL=https://umap.somewhere.nl/
       - LEAFLET_STORAGE_ALLOW_ANONYMOUS=True
     depends_on:
-      - db
+      - postgis
       - redis
         #    command: "tail -F anything"
 
 volumes:
-  db:
+  postgis:
   uploads: