Update Dockerfile

Dockerfile

@@ -46,6 +46,20 @@ USER appuser
 WORKDIR /app
 # --- RUST BUILD END ---
 
+# --- RUST COMBINER BUILD START ---
+USER root
+COPY --chown=appuser:appuser rust_combiner /app/rust_combiner
+WORKDIR /app/rust_combiner
+
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN maturin build --release --manifest-path Cargo.toml
+RUN pip install target/wheels/*.whl
+
+# Go back to app setup
+USER appuser
+WORKDIR /app
+# --- RUST COMBINER BUILD END ---
+
 # 6. Copy all application files
 COPY --chown=appuser:appuser app.py image_fetcher.py video.py video2.py ./