Add docs for nginx bind mount

docs/docs/configuration/advanced.md

@@ -106,7 +106,42 @@ Some labels have special handling and modifications can disable functionality.
 
 :::
 
-## Custom ffmpeg build
+## Network Configuration
+
+Changes to Frigate's internal network configuration can be made by bind mounting nginx.conf into the container. For example:
+
+```yaml
+services:
+  frigate:
+    container_name: frigate
+    ...
+    volumes:
+      ...
+      - /path/to/your/nginx.conf:/usr/local/nginx/conf/nginx.conf
+
+```
+
+### Enabling IPv6
+
+IPv6 is disabled by default, to enable IPv6 nginx.conf needs to be bind mounted as described above with the IPv6 enabled. For example:
+
+```
+server {
+  listen: 5000;
+}
+```
+
+becomes
+
+```
+server {
+  listen [::]:5000 ipv6only=off;
+}
+```
+
+## Custom Dependencies
+
+### Custom ffmpeg build
 
 Included with Frigate is a build of ffmpeg that works for the vast majority of users. However, there exists some hardware setups which have incompatibilities with the included build. In this case, a docker volume mapping can be used to overwrite the included ffmpeg build with an ffmpeg build that works for your specific hardware setup.
 
@@ -118,7 +153,7 @@ To do this:
 
 NOTE: The folder that is mapped from the host needs to be the folder that contains `/bin`. So if the full structure is `/home/appdata/frigate/custom-ffmpeg/bin/ffmpeg` then `/home/appdata/frigate/custom-ffmpeg` needs to be mapped to `/usr/lib/btbn-ffmpeg`.
 
-## Custom go2rtc version
+### Custom go2rtc version
 
 Frigate currently includes go2rtc v1.9.4, there may be certain cases where you want to run a different version of go2rtc.