## Start Docker

```sh
# build dockerfile
sudo docker build -t keepalived .

# docker run
sudo docker run -d --rm \
--cap-add=NET_ADMIN \
--net=host \
-e KEEPALIVED_ROUTER_ID=1 \
-e KEEPALIVED_STATE=MASTER \
-e KEEPALIVED_PRIORITY=100 \
-e KEEPALIVED_PASSWORD=1111 \
-e KEEPALIVED_INTERFACE=ovs_eth0 \
-e KEEPALIVED_UNICAST_PEERS=192.168.0.100,192.168.0.246 \
-e KEEPALIVED_VIRTUAL_IPS=192.168.0.180 \
keepalived
```

## Start docker compose
```yml
version: '3.5'

services:
  keepalived:
    build: .
    environment:
      KEEPALIVED_ROUTER_ID: 1               # [require] RouterID
      KEEPALIVED_STATE: MASTER              # Defualt State MASTER, BACKUP, default : BACKUP
      KEEPALIVED_PRIORITY: 100              # priority, defualt : 1~199 random
      KEEPALIVED_PASSWORD: 1111             # auth password
      KEEPALIVED_INTERFACE: ovs_eth0        # [require] network interface in host
      KEEPALIVED_UNICAST_PEERS: 192.168.0.100,192.168.0.246 # [require] peer clients, split comma
      KEEPALIVED_VIRTUAL_IPS: 192.168.0.180 # [require] virtual ip, split comma
    network_mode: host
    cap_add:
      - NET_ADMIN
```