feat: load oss media config from sys config

docker/tinode/Dockerfile

@@ -114,7 +114,7 @@ ENV POSTGRES_DSN='postgresql://postgres:postgres@localhost:5432/tinode?sslmode=d
 ENV PLUGIN_PYTHON_CHAT_BOT_ENABLED=false
 
 # Default handler for large files
-ENV MEDIA_HANDLER=fs
+ENV MEDIA_HANDLER=sys_config
 
 # Whitelisted domains for file and S3 large media handler.
 ENV FS_CORS_ORIGINS='["*"]'

docker/tinode/Dockerfile.build

@@ -91,7 +91,7 @@ ENV ADMIN_INTERNAL_API_TIMEOUT_MS=3000
 # DB routing resolves to the same tinode DB for the seeded "default" tenant.
 ENV TENANT_REGISTRY_DB=hotgo
 
-ENV MEDIA_HANDLER=fs
+ENV MEDIA_HANDLER=sys_config
 ENV FS_CORS_ORIGINS='["*"]'
 ENV AWS_CORS_ORIGINS='["*"]'
 ENV SMTP_HOST_URL='http://localhost:6060'

docker/tinode/config.template

@@ -34,6 +34,9 @@
 				"presign_ttl": 3600,
 				"cache_control": "max-age=86400",
 				"cors_origins": $AWS_CORS_ORIGINS
+			},
+			"oss": {
+				"use_sys_config": true
 			}
 		}
 	},