interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)

# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'

# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d

auto lo
iface lo inet loopback

iface eth0 inet manual

auto wlan0
#allow-hotplug wlan0
iface wlan0 inet manual
#    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

allow-hotplug wlan1
iface wlan1 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

# Bridge setup
auto br0
iface br0 inet static
    bridge_ports eth0 wlan0
    address <your AP IP address>
    netmask <your home/office network mask>
    gateway <your home/office gateway IP address>
    dns-search <your interna domain (delete this line if you don't have one)>
    dns-nameservers <your home/office DNS server (typically it will be the same as your gateway)>