Multiple network changes

Modifying network to add a bridge driver, specifying network names, adding link to nominatim network from web server, and assigning web server its own ports. All of these changes are in an attempt to allow web server to access the nominatim container and make an API call.

emission/integrationTests/docker-compose.yml

@@ -9,6 +9,10 @@ services:
     environment:
       - DB_HOST=db
       - WEB_SERVER_HOST=0.0.0.0
+    ports:
+      - "8181:8181"
+    links:
+      - nominatim:rhodeisland-nominatim
     volumes:
       # specify the host directory where the source code should live
       # If this is ~/e-mission-server-docker, then you can edit the files at
@@ -55,6 +59,13 @@ services:
     networks:
       - nominatim-network
 
+networks:
+  emission:
+    name: emission
+  nominatim-network:
+    name: nominatim-network
+    driver: bridge
+
 volumes:
   mongo-data:
   nominatim-data: