test: check docker-gen network segregation

test/test_dockergen/test_dockergen_network_segregation_v2.yml

@@ -0,0 +1,38 @@
+version: '2'
+
+services:
+  nginx:
+    image: nginx
+    container_name: nginx
+    volumes:
+      - "/etc/nginx/conf.d"
+    labels:
+      - "com.github.nginx-proxy.nginx-proxy.nginx"
+    networks:
+      - proxy
+
+  dockergen:
+    image: nginxproxy/docker-gen
+    command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
+    volumes_from:
+      - nginx
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+      - ../../nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl
+    networks:
+      - internal
+
+  web:
+    image: web
+    container_name: whoami
+    expose:
+      - "80"
+    environment:
+      WEB_PORTS: "80"
+      VIRTUAL_HOST: "whoami.nginx.container.docker"
+    networks:
+      - proxy
+
+networks:
+  proxy:
+  internal: