Switched to full static release + enable lto for the docker release image

src/libs/services/recommendation/CMakeLists.txt

@@ -1,5 +1,5 @@
 
-add_library(lmsrecommendation SHARED
+add_library(lmsrecommendation STATIC
 	impl/clusters/ClustersEngine.cpp
 	impl/features/FeaturesEngineCache.cpp
 	impl/features/FeaturesEngine.cpp
@@ -25,6 +25,3 @@ target_link_libraries(lmsrecommendation PRIVATE
 	lmssom
 	std::filesystem
 	)
-
-install(TARGETS lmsrecommendation DESTINATION ${CMAKE_INSTALL_LIBDIR})
-