Add configurable WebUI PORT

Dockerfile

@@ -44,6 +44,7 @@ LABEL maintainer="thelamer"
 
 # environment settings
 ENV HOME="/config"
+ENV PORT=8384
 
 RUN \
   echo "**** create var lib folder ****" && \
@@ -55,5 +56,5 @@ COPY --from=buildstage /tmp/sync/syncthing /usr/bin/
 COPY root/ /
 
 # ports and volumes
-EXPOSE 8384 22000/tcp 22000/udp 21027/UDP
+EXPOSE ${PORT} 22000/tcp 22000/udp 21027/UDP
 VOLUME /config

Dockerfile.aarch64

@@ -44,6 +44,7 @@ LABEL maintainer="thelamer"
 
 # environment settings
 ENV HOME="/config"
+ENV PORT=8384
 
 RUN \
   echo "**** create var lib folder ****" && \
@@ -55,5 +56,5 @@ COPY --from=buildstage /tmp/sync/syncthing /usr/bin/
 COPY root/ /
 
 # ports and volumes
-EXPOSE 8384 22000/tcp 22000/udp 21027/UDP
+EXPOSE ${PORT} 22000/tcp 22000/udp 21027/UDP
 VOLUME /config

readme-vars.yml

@@ -19,6 +19,8 @@ param_hostname_desc: "Optionally the hostname can be defined."
 param_usage_include_env: true
 param_env_vars:
   - {env_var: "TZ", env_value: "Europe/London", desc: "Specify a timezone to use EG Europe/London."}
+opt_param_env_vars:
+  - {env_var: "PORT", env_value: "8384", desc: "Application WebUI listen Port" }
 param_usage_include_vols: true
 param_volumes:
   - {vol_path: "/config", vol_host_path: "/path/to/appdata/config", desc: "Configuration files."}
@@ -35,6 +37,7 @@ app_setup_block_enabled: true
 app_setup_block: "**Note: ** The Syncthing devs highly suggest setting a password for this container as it listens on 0.0.0.0. To do this go to `Actions -> Settings -> set user/password` for the webUI."
 # changelog
 changelogs:
+  - {date: "22.12.23:", desc: "Add configurable WebUI PORT" }
   - {date: "05.09.23:", desc: "Rebase to Alpine 3.18."}
   - {date: "01.07.23:", desc: "Deprecate armhf. As announced [here](https://www.linuxserver.io/blog/a-farewell-to-arm-hf)"}
   - {date: "13.02.23:", desc: "Rebase to Alpine 3.17, migrate to s6v3."}

root/etc/s6-overlay/s6-rc.d/svc-syncthing/run

@@ -2,7 +2,7 @@
 # shellcheck shell=bash
 
 exec \
-    s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z localhost 8384" \
+    s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z localhost ${PORT}" \
         s6-setuidgid abc syncthing \
         -home=/config -no-browser -no-restart \
-        --gui-address="0.0.0.0:8384"
+        --gui-address="0.0.0.0:${PORT}"