diff --git a/sx/Dockerfile b/sx/Dockerfile
index c0f26cf..c87f68b 100644
--- a/sx/Dockerfile
+++ b/sx/Dockerfile
@@ -60,6 +60,11 @@ COPY likes/models/ ./likes/models/
 COPY orders/__init__.py ./orders/__init__.py
 COPY orders/models/ ./orders/models/
 
+# SX spec + library + web adapter files (loaded by OCaml kernel at runtime)
+COPY spec/ ./spec/
+COPY lib/ ./lib/
+COPY web/ ./web/
+
 # OCaml SX kernel binary
 COPY --from=ocaml-build /home/opam/sx/_build/default/bin/sx_server.exe /app/bin/sx_server