fix nextcloud/docker-compose, add plex/docker-compose and plex/docker-env.env.example

```

nextcloud/docker-compose.yml

@@ -42,7 +42,7 @@ services:
       - "traefik.http.routers.nextcloud.rule=Host(`${NEXTCLOUD_HOST}`)" # Route Nextcloud to specified host
       - "traefik.http.routers.nextcloud.entrypoints=websecure" # Use HTTPS entrypoint for Nextcloud
       - "traefik.http.routers.nextcloud.tls=true" # Enable TLS for Nextcloud
-      - "traefik.http.services.ghost.loadbalancer.server.port=80" # Set load balancer port for Nextcloud
+      - "traefik.http.services.nextcloud.loadbalancer.server.port=80" # Set load balancer port for Nextcloud
       - "traefik.http.routers.nextcloud.tls.certresolver=myresolver" # Use Let's Encrypt resolver for Nextcloud
       - "traefik.http.routers.nextcloud.middlewares=nc-rep,nc-header" # Use redirect and header middlewares for Nextcloud
       - "traefik.http.middlewares.nc-rep.redirectregex.regex=https://(.*)/.well-known/(card|cal)dav" # Set regex for redirect middleware

plex/docker-compose.yml

@@ -0,0 +1,42 @@
+version: '3.8'
+services:
+  plex:
+    image: lscr.io/linuxserver/plex:latest
+    container_name: plex
+    restart: unless-stopped
+    environment:
+      - PLEX_CLAIM=$PLEX_CLAIM
+      - PLEX_UID=1000
+      - PLEX_GID=1000
+      - TZ=America/Los_Angeles
+      - ADVERTISE_IP=https://{$PLEX_HOSTNAME}:443
+    volumes:
+      - /opt/storage/plex:/config
+      - /opt/storage/plex:/transcode
+      - /opt/storage/plex/data:/data
+    ports:
+      - 32400:32400/udp
+      - 32400:32400/tcp
+    hostname: "{$PLEX_HOSTNAME}"
+    labels:
+    - "traefik.enable=true"
+    - "traefik.backend=plex"
+    - "traefik.frontend.rule=${PLEX_HOSTNAME}"
+    - "traefik.port=32400"
+    - "traefik.protocol=https"
+    - "traefik.docker.network=traefik_proxy"
+    - "traefik.frontend.headers.SSLRedirect=true"
+    - "traefik.frontend.headers.STSSeconds=315360000"
+    - "traefik.frontend.headers.browserXSSFilter=true"
+    - "traefik.frontend.headers.contentTypeNosniff=true"
+    - "traefik.frontend.headers.forceSTSHeader=true"
+    - "traefik.frontend.headers.SSLHost=plexhndrx.co"
+    - "traefik.frontend.headers.STSIncludeSubdomains=true"  
+    - "traefik.frontend.headers.STSPreload=true"
+    - "traefik.frontend.headers.frameDeny=true"
+    networks:
+      - traefik
+
+networks:
+  traefik:
+    external: true # Use external network named "traefik"