build: pin Grav core 2.0.4 and add admin2/api/flex-objects to plugins.txt

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Np4cMQLF77i664CAQXySzU

Dockerfile

@@ -1,6 +1,6 @@
 FROM getgrav/grav
 
-RUN curl -sL 'https://github.com/getgrav/grav/releases/download/2.0.0-rc.10/grav-admin-v2.0.0-rc.10.zip' \
+RUN curl -sL 'https://github.com/getgrav/grav/releases/download/2.0.4/grav-admin-v2.0.4.zip' \
         -o /tmp/grav-admin.zip \
     && unzip -q /tmp/grav-admin.zip -d /tmp \
     && cp -rf /tmp/grav-admin/assets /var/www/html/ \

docker-compose.yml

@@ -3,7 +3,7 @@ services:
     build: .
     container_name: intotheeast_grav
     environment:
-      - GRAV_CHANNEL=beta
+      - GRAV_CHANNEL=production
       - APACHE_RUN_USER=#1000
       - APACHE_RUN_GROUP=#1000
     ports:

plugins.txt

@@ -5,3 +5,6 @@ login
 problems
 add-page-by-form
 shortcode-gallery-plusplus
+api
+admin2
+flex-objects