interface wlan0
static ip_address=192.168.0.10/24
denyinterfaces eth0
denyinterfaces wlan0

source-directory /etc/network/interfaces.d
auto br0
iface br0 inet manual
bridge_ports eth0 wlan0

interface=wlan0
dhcp-range=192.168.4.2,192.168.4.20,255.255.255.0,24h

interface=wlan0
bridge=br0
hw_mode=g
channel=7
wmm_enabled=0
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP
ssid=node1
wpa_passphrase=mypassword

bridge name bridge id           STP enabled interfaces
br0         8000.b827eb8691b6   no          eth0
                                            wlan0