[feat] add docker in docker support

config/docker-compose.yml

@@ -0,0 +1,42 @@
+app:
+  name: master-service
+  env: docker-compose
+
+http:
+  host: 0.0.0.0
+  port: 8123
+
+logging:
+  level: INFO
+  output: otel
+  format: json
+
+metrics:
+  enabled: true
+
+tracing:
+  enabled: true
+
+otel:
+  service_name: master-service
+  logs_endpoint: http://otel-collector:4318/v1/logs
+  metrics_endpoint: http://otel-collector:4318/v1/metrics
+  traces_endpoint: http://otel-collector:4318/v1/traces
+  metric_export_interval: 1000
+
+docker:
+  base_url: tcp://docker-engine:2375
+
+sandbox:
+  image: nginx:1.27-alpine
+  ttl_seconds: 30
+  cleanup_interval_seconds: 5
+  chats_root: /var/lib/master-sandbox/chats
+  dependencies_host_path: /var/lib/master-dependencies
+  lambda_tools_host_path: /var/lib/master-lambda-tools
+  chat_mount_path: /workspace/chat
+  dependencies_mount_path: /opt/dependencies
+  lambda_tools_mount_path: /opt/lambda-tools
+
+security:
+  token_header: X-API-Token