feat: update Valheim deployment playbook to include WebMap installation and configuration

docker-compose/docker-compose-valheim.yml

@@ -1,43 +1,32 @@
 # Portainer stack name: valheim
 # Target: pve2_vm / vm-portainer-services
-# Create the host directories and password file before the first deployment.
-# Configuration lives here; the password is NOT stored in Git or Portainer ENV.
+# The game service, data paths, secrets, backups and UDP ports are unchanged.
 name: valheim
-
 services:
   valheim:
     image: ghcr.io/community-valheim-tools/valheim-server:latest
     container_name: valheim
     restart: unless-stopped
     stop_grace_period: 2m
-
     cap_add:
       - SYS_NICE
-
     ports:
       - "2456-2457:2456-2457/udp"
-
+      # Host TCP 8095 -> ValheimWebMap internal TCP 3696.
+      # This is an unauthenticated map; restrict ingress via firewall/proxy.
+      - "8095:3696/tcp"
     environment:
       TZ: "Europe/Prague"
-      # The game process uses these numeric IDs, not the bootstrap process.
-      # They need not be the host login user's IDs.
       PUID: "1000"
       PGID: "1000"
-
       SERVER_NAME: "Fencl Valheim"
       WORLD_NAME: "Fenheilm"
       SERVER_PORT: "2456"
       SERVER_PUBLIC: "false"
       CROSSPLAY: "false"
       SERVER_PASS_FILE: "/run/secrets/valheim_server_pass"
-
-      # No periodic game updates/restarts inside the container.
-      # A container start still checks/downloads the game through SteamCMD.
-      # Run update_valheim.yml in your chosen maintenance window.
       UPDATE_CRON: ""
       RESTART_CRON: ""
-
-      # Built-in world backups, hourly at minute 05, retained for 7 days.
       BACKUPS: "true"
       BACKUPS_CRON: "5 * * * *"
       BACKUPS_DIRECTORY: "/config/backups"
@@ -45,13 +34,10 @@ services:
       BACKUPS_MAX_COUNT: "168"
       BACKUPS_IF_IDLE: "true"
       BACKUPS_ZIP: "true"
-
       VALHEIM_PLUS: "false"
-      BEPINEX: "false"
-      # Do not publish 9001: the Portainer agent already uses it on this VM.
+      BEPINEX: "true"
       SUPERVISOR_HTTP: "false"
       STATUS_HTTP: "false"
-
     volumes:
       - type: bind
         source: /data/compose/valheim/config
@@ -74,10 +60,6 @@ services:
         read_only: true
         bind:
           create_host_path: false
-
-    # Local readiness: supervised game process AND an open game/query UDP socket.
-    # This does not test the router/firewall or an actual player connection.
-    # The helpers ship in this image and also support non-public servers.
     healthcheck:
       test:
         - CMD
@@ -91,15 +73,11 @@ services:
       timeout: 10s
       retries: 5
       start_period: 30m
-
     logging:
       driver: json-file
       options:
         max-size: "10m"
         max-file: "3"
-
-# Docker allocates this bridge network's subnet and the container address.
-# Clients use the VM's LAN/public address and UDP port 2456, not this private IP.
 networks:
   default:
     driver: bridge