lxc-docker: force container recreate and move watchtower auto update into modifiable env.

install/docker/docker-compose.yml

@@ -81,6 +81,7 @@ services:
             # lxc - /var/run/docker.sock:/var/run/docker.sock
             # lxc - /root/.scrypted/docker-compose.yml:/root/.scrypted/docker-compose.yml
             # lxc - /root/.scrypted/docker-compose.sh:/root/.scrypted/docker-compose.sh
+            # lxc - /root/.scrypted/.env:/root/.scrypted/.env
             # lxc - /mnt:/mnt
 
         # Uncomment the following lines to use Avahi daemon from the host
@@ -129,9 +130,6 @@ services:
             - WATCHTOWER_HTTP_API_TOKEN=${WATCHTOWER_HTTP_API_TOKEN}
             - WATCHTOWER_HTTP_API_UPDATE=true
             - WATCHTOWER_SCOPE=scrypted
-            # remove the following line to never allow docker to auto update.
-            # this is not recommended.
-            - WATCHTOWER_HTTP_API_PERIODIC_POLLS=true
         image: containrrr/watchtower
         container_name: scrypted-watchtower
         restart: unless-stopped

install/docker/install-scrypted-docker-compose.sh

@@ -64,6 +64,9 @@ fi
 
 WATCHTOWER_HTTP_API_TOKEN=$(echo $RANDOM | md5sum | head -c 32)
 echo "WATCHTOWER_HTTP_API_TOKEN=$WATCHTOWER_HTTP_API_TOKEN" > $SCRYPTED_HOME/.env
+# remove the following line from .env to disable autoupdates.
+# this is not recommended.
+echo "WATCHTOWER_HTTP_API_PERIODIC_POLLS=true" >> $SCRYPTED_HOME/.env
 
 DOCKER_COMPOSE_YML=$SCRYPTED_HOME/docker-compose.yml
 curl -s https://raw.githubusercontent.com/koush/scrypted/main/install/docker/docker-compose.yml > $DOCKER_COMPOSE_YML

install/proxmox/docker-compose.sh

@@ -17,4 +17,7 @@ else
 fi
 
 # do not daemonize, when it exits, systemd will restart it.
-docker compose up
+# force a recreate as .env may have changed.
+# furthermore force recreate gets the container back into a known state
+# which is preferable in case the user has made manual changes and then restarts.
+docker compose up --force-recreate