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

src/libs/subsonic/CMakeLists.txt

@@ -1,5 +1,5 @@
 
-add_library(lmssubsonic SHARED
+add_library(lmssubsonic STATIC
 	impl/endpoints/AlbumSongLists.cpp
 	impl/endpoints/Bookmarks.cpp
 	impl/endpoints/Browsing.cpp
@@ -60,8 +60,6 @@ target_link_libraries(lmssubsonic PUBLIC
 	Wt::Wt
 	)
 
-install(TARGETS lmssubsonic DESTINATION ${CMAKE_INSTALL_LIBDIR})
-
 if (BUILD_BENCHMARKS)
        add_subdirectory(bench)
 endif()