fix: remove deprecated compose version tag

examples/plausible/docker-compose.yml

@@ -1,10 +1,11 @@
-version: "3.3"
 services:
 
   plausible_db:
     image: postgres:16-alpine
     container_name: plausible-db
-    restart: always   
+    restart: always
+    expose:
+      - 5432
     volumes:
       - ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/plausible/database/:/var/lib/postgresql/data
     environment:
@@ -13,8 +14,8 @@ services:
     #  - proxy
 
   plausible_events_db:
+    image: clickhouse/clickhouse-server:24.3.3.102-alpine    
     container_name: plausible-events-db
-    image: clickhouse/clickhouse-server:24.3.3.102-alpine
     restart: always
     environment:
       - CLICKHOUSE_UID=1000
@@ -31,8 +32,8 @@ services:
     #  - proxy
 
   plausible:
+    image: ghcr.io/plausible/community-edition:v2.1    
     container_name: plausible
-    image: ghcr.io/plausible/community-edition:v2.1
     restart: always
     command: sh -c "sleep 10 && /entrypoint.sh db createdb && /entrypoint.sh db migrate && /entrypoint.sh run"
     depends_on:
@@ -40,6 +41,8 @@ services:
       - plausible_events_db
     ports:
       - 8000:8000 # WEB UI
+    expose:
+      - 8000
     env_file:
       - .env
     #networks: