feat(docker/podman): self-hosting with docker/podman compose (#3312)

* initial files

* added testing files

* removed unused files

* cleaned additional mounts

* fixed sql init

* removed more unused files

* moved to docker folder

* revert package.json

* gitignore update

* env example comments and compose necessary healthcheck

* ghcr package impl

* updated dockerfile steps  for layer caching

* added development-stage to dockerfile to dev environment

* added documentation on how to use dockerfile and compose.yml

* fixed prettier issues

* fixed image tag

* removed workflow for later

apps/readest-app/src/utils/supabase.ts

@@ -1,9 +1,11 @@
 import { createClient } from '@supabase/supabase-js';
 
 const supabaseUrl =
+  process.env['SUPABASE_URL'] ||
   process.env['NEXT_PUBLIC_SUPABASE_URL'] ||
   atob(process.env['NEXT_PUBLIC_DEFAULT_SUPABASE_URL_BASE64']!);
 const supabaseAnonKey =
+  process.env['SUPABASE_ANON_KEY'] ||
   process.env['NEXT_PUBLIC_SUPABASE_ANON_KEY'] ||
   atob(process.env['NEXT_PUBLIC_DEFAULT_SUPABASE_KEY_BASE64']!);