diff --git a/docs/IMPLEMENTATION.md b/docs/IMPLEMENTATION.md
index 9814e9c..c720499 100644
--- a/docs/IMPLEMENTATION.md
+++ b/docs/IMPLEMENTATION.md
@@ -103,11 +103,11 @@
 - [X] Test end-to-end client-server communication flow
 
 ## Phase 8: Server Instrumentation & Configuration
-- [ ] Add `/metrics` HTTP endpoint for Prometheus collection
-- [ ] Add `/debug/pprof` endpoint for performance profiling
-- [ ] Create Dockerfile to build server image
-- [ ] Implement configuration management using cleanenv library
-- [ ] Read configuration from file with environment variable support
+- [X] Add `/metrics` HTTP endpoint for Prometheus collection
+- [X] Add `/debug/pprof` endpoint for performance profiling
+- [X] Create Dockerfile to build server image
+- [X] Implement configuration management using cleanenv library
+- [X] Read configuration from file with environment variable support
 
 
 ## Directory Structure