refactor!: web -> app + version label

compose.yml

@@ -39,7 +39,7 @@ services:
         soft: -1
         hard: -1
 
-  web:
+  app:
     image: decentral1se/hometown:v1.0.5_3.4.0
     command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
     networks: &bothNetworks
@@ -56,6 +56,7 @@ services:
         - "traefik.http.routers.${STACK_NAME}_web.rule=Host(`${DOMAIN}`)"
         - "traefik.http.routers.${STACK_NAME}_web.entrypoints=web-secure"
         - "traefik.http.routers.${STACK_NAME}_web.tls.certresolver=${LETS_ENCRYPT_ENV}"
+        - "coop-cloud.${STACK_NAME}.version=0.1.0+v1.0.5_3.4.0"
     configs: &configs
       - source: entrypoint_sh
         target: /usr/local/bin/entrypoint.sh