Update docker-compose files to use configurable environment variables

- Replace hardcoded paths with variables: STACKS_DIR, PROJECTS_DIR, MEDIA_DIR, DOWNLOAD_DIR
- Update .env.example with new variable definitions
- Remove unused .template files
- Enable configurable directory paths for stacks, media, and downloads

docker-compose/wikis/docker-compose.yml

@@ -19,9 +19,9 @@ services:
     volumes:
       - ./dokuwiki/config:/config
     environment:
-      - PUID=1000
-      - PGID=1000
-      - TZ=America/New_York
+      - PUID=${PUID}
+      - PGID=${PGID}
+      - TZ=${TZ}
     labels:
       # TRAEFIK CONFIGURATION
       # Service metadata
@@ -56,8 +56,8 @@ services:
     volumes:
       - ./bookstack/config:/config
     environment:
-      - PUID=1000
-      - PGID=1000
+      - PUID=${PUID}
+      - PGID=${PGID}
       - APP_URL=https://bookstack.${DOMAIN}
       - DB_HOST=bookstack-db
       - DB_PORT=3306
@@ -100,7 +100,7 @@ services:
     networks:
       - homelab-network
     volumes:
-      - bookstack-db-data:/var/lib/mysql
+      - ./bookstack/db:/var/lib/mysql
     environment:
       - MYSQL_ROOT_PASSWORD=${BOOKSTACK_DB_ROOT_PASSWORD}
       - MYSQL_DATABASE=bookstack
@@ -163,7 +163,7 @@ services:
     networks:
       - homelab-network
     volumes:
-      - mediawiki-db-data:/var/lib/mysql
+      - ./mediawiki/db:/var/lib/mysql
     environment:
       - MYSQL_ROOT_PASSWORD=${MEDIAWIKI_DB_ROOT_PASSWORD}
       - MYSQL_DATABASE=mediawiki
@@ -173,10 +173,6 @@ services:
       - 'homelab.category=productivity'
       - 'homelab.description=MediaWiki database'
 
-volumes:
-  bookstack-db-data:
-  mediawiki-db-data:
-
 networks:
   homelab-network:
     external: true