Update docker-compose.yml

docker-compose.yml

-portainer:
-  image: portainer/portainer
-  ports:
-    - "9000:9000"
-  volumes:
-    - "/var/run/docker.sock:/var/run/docker.sock"
-    - "portainer_data:/data"
-  restart: always
-  container_name: portainer
\ No newline at end of file
+version: '2'
+services:
+  portainer:
+    image: portainer/portainer
+    ports:
+      - "9000:9000"
+    volumes:
+      - "/var/run/docker.sock:/var/run/docker.sock"
+      - "portainer_data:/data"
+    networks:
+      net:
+        ipv4_address: 192.168.0.2
+    restart: always
+    container_name: portainer
+volumes:
+  portainer_data:
+networks:
+  net:
+    driver: bridge
+    # enable_ipv6: false
+    ipam:
+      driver: default
+      config:
+      - subnet: 192.168.0.0/24
+        gateway: 192.168.0.254