Monitoring: add separate docker network

files/miniflux/docker-compose.yml.j2

@@ -10,7 +10,7 @@ services:
         condition: service_healthy
     networks:
       - "miniflux_network"
-      - "{{ web_proxy_network }}"
+      - "web_proxy_network"
     environment:
       - DATABASE_URL=postgres://{{ miniflux_postgres_user }}:{{ miniflux_postgres_password }}@miniflux_postgres/{{ miniflux_postgres_database }}?sslmode=disable
       - RUN_MIGRATIONS=1
@@ -38,7 +38,7 @@ services:
       - POSTGRES_DB={{ miniflux_postgres_database }}
     networks:
       - "miniflux_network"
-      - "{{ web_proxy_network }}"
+      - "monitoring_network"
     volumes:
       - {{ postgres_data_dir }}:/var/lib/postgresql/data
     healthcheck:
@@ -49,5 +49,7 @@ services:
 networks:
   miniflux_network:
     driver: bridge
-  {{ web_proxy_network }}:
+  web_proxy_network:
+    external: true
+  monitoring_network:
     external: true