docker-compose.yml: add mongo

docker-compose.yml

@@ -24,6 +24,7 @@ services:
       - API_TOKEN_TTL=${API_TOKEN_TTL}
       - API_CACHE_TTL=${API_CACHE_TTL}
       - REDIS_HOST=redis
+      - MONGO_HOST=mongo
     restart: always
     networks:
       - auth_network
@@ -35,6 +36,14 @@ services:
     networks:
       - auth_network
 
+  mongo:
+    image: mongo:latest
+    networks:
+      - auth_network
+    restart: always
+    volumes:
+      - /opt/docker-volumes/external-dev:/data/db
+
   server:
     extends:
       file: docker-compose.traefik.yml
@@ -49,6 +58,9 @@ services:
     networks:
       - auth_network
 
+volumes:
+  mongo:
+
 networks:
   auth_network:
     external: