feat: switch to getgrav/grav 2.0 RC docker image

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Makefile

@@ -30,20 +30,20 @@ stop:
 setup: start install-plugins
 
 install-plugins:
-	docker exec -w /app/www/public intotheeast_grav php bin/gpm install $(shell cat plugins.txt | tr '\n' ' ') -y
+	docker exec -w /var/www/html intotheeast_grav php bin/gpm install $(shell cat plugins.txt | tr '\n' ' ') -y
 
 # ── Demo content ──────────────────────────────────────────────────────────────
 
 demo-load:
 	cp -r user/docs/demo/tracker/. user/pages/01.tracker/
-	docker exec intotheeast_grav bash -c "cd /app/www/public && php bin/grav clearcache"
+	docker exec intotheeast_grav bash -c "cd /var/www/html && php bin/grav clearcache"
 
 demo-reset:
 	@for dir in user/docs/demo/tracker/*/; do \
 		folder=$$(basename "$$dir"); \
 		rm -rf "user/pages/01.tracker/$$folder"; \
 	done
-	docker exec intotheeast_grav bash -c "cd /app/www/public && php bin/grav clearcache"
+	docker exec intotheeast_grav bash -c "cd /var/www/html && php bin/grav clearcache"
 
 # ── Content sync (user repo ↔ Gitea) ──────────────────────────────────────────
 

docker-compose.yml

@@ -1,13 +1,12 @@
 services:
   grav:
-    image: lscr.io/linuxserver/grav:latest
+    image: getgrav/grav
     container_name: intotheeast_grav
     environment:
-      - PUID=1000
-      - PGID=1000
+      - GRAV_CHANNEL=beta
     ports:
       - "8081:80"
     volumes:
-      - ./user:/config/www/user
-      - ./php/php-local.ini:/config/php/php-local.ini
+      - ./user:/var/www/html/user
+      - ./php/php-local.ini:/usr/local/etc/php/conf.d/php-local.ini
     restart: unless-stopped