feat: docker-compose for production frontend (#664)

* docker-compose for production frontend

* fix: Remove external Redis port mapping for Coolify compatibility

Redis should only be accessible within the internal Docker network in Coolify deployments to avoid port conflicts with other applications.

* fix: Remove external port mapping for web service in Coolify

Coolify handles port exposure through its proxy (Traefik), so services should not expose ports directly in the docker-compose file.

* server side client envs

* missing vars

* nextjs experimental

* fix claude 'fix'

* remove build env vars compose

* docker

* remove ports for coolify

* review

* cleanup

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

www/.env.example

@@ -1,9 +1,5 @@
-# Environment
-ENVIRONMENT=development
-NEXT_PUBLIC_ENV=development
-
 # Site Configuration
-NEXT_PUBLIC_SITE_URL=http://localhost:3000
+SITE_URL=http://localhost:3000
 
 # Nextauth envs
 # not used in app code but in lib code
@@ -18,16 +14,16 @@ AUTHENTIK_CLIENT_ID=your-client-id-here
 AUTHENTIK_CLIENT_SECRET=your-client-secret-here
 
 # Feature Flags
-# NEXT_PUBLIC_FEATURE_REQUIRE_LOGIN=true
-# NEXT_PUBLIC_FEATURE_PRIVACY=false
-# NEXT_PUBLIC_FEATURE_BROWSE=true
-# NEXT_PUBLIC_FEATURE_SEND_TO_ZULIP=true
-# NEXT_PUBLIC_FEATURE_ROOMS=true
+# FEATURE_REQUIRE_LOGIN=true
+# FEATURE_PRIVACY=false
+# FEATURE_BROWSE=true
+# FEATURE_SEND_TO_ZULIP=true
+# FEATURE_ROOMS=true
 
 # API URLs
-NEXT_PUBLIC_API_URL=http://127.0.0.1:1250
-NEXT_PUBLIC_WEBSOCKET_URL=ws://127.0.0.1:1250
-NEXT_PUBLIC_AUTH_CALLBACK_URL=http://localhost:3000/auth-callback
+API_URL=http://127.0.0.1:1250
+WEBSOCKET_URL=ws://127.0.0.1:1250
+AUTH_CALLBACK_URL=http://localhost:3000/auth-callback
 
 # Sentry
 # SENTRY_DSN=https://your-dsn@sentry.io/project-id