Updated docker to RC.2 (#42)

ref: https://github.com/TryGhost/ghost-docker/pull/40

- Docker published RC2  on Friday I think
- Note 1: I just cut RC3, but that won't be available yet!
- Note 2: we prob need to rethink how we do versioning so we aren't pinning to exact versions

compose.yml

@@ -22,7 +22,7 @@ services:
 
   ghost:
     # Do not alter this without updating the Tinybird Sync container as well
-    image: ghost:${GHOST_VERSION:-6.0.0-rc.0-alpine}
+    image: ghost:${GHOST_VERSION:-6.0.0-rc.2-alpine}
     restart: always
     expose:
       - "127.0.0.1:${GHOST_PORT:-2368}:2368"
@@ -143,7 +143,7 @@ services:
 
   tinybird-sync:
     # Do not alter this without updating the Ghost container as well
-    image: ghost:${GHOST_VERSION:-6.0.0-rc.0-alpine}
+    image: ghost:${GHOST_VERSION:-6.0.0-rc.2-alpine}
     command: >
       sh -c "
         if [ -d /var/lib/ghost/current/core/server/data/tinybird ]; then