# Before Docker container starts
wlan0     Link encap:Ethernet  HWaddr b8:27:eb:a8:93:73
          inet addr:192.168.0.20  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::ada4:3dc4:b933:7a5b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:525 errors:0 dropped:19 overruns:0 frame:0
          TX packets:411 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:558627 (545.5 KiB)  TX bytes:48299 (47.1 KiB)

# After Docker container starts
wlan0     Link encap:Ethernet  HWaddr b8:27:eb:a8:93:73
          inet6 addr: fe80::ada4:3dc4:b933:7a5b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5830 errors:0 dropped:19 overruns:0 frame:0
          TX packets:4087 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:5743386 (5.4 MiB)  TX bytes:566484 (553.2 KiB)

sudo curl -sSL https://get.docker.com | sh

sudo docker run -d -p 8080:80 lalyos/rpi-nginx

curl 192.168.0.20:8080

<h1>Welcome to nginx!</h1>