diff --git a/Dockerfile b/Dockerfile
index 2038b102..0688abf8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,44 +8,26 @@ COPY ./qwen3_6_scripts /workspace/qwen3_6_scripts
 COPY ./computility-run.yaml /workspace/computility-run.yaml
 COPY ./ex_engine /workspace/ex_engine
 
-# Step 1: Build EX Engine .so libraries (tolerant)
+# Step 1: Build EX Engine .so libraries
 RUN chmod +x /workspace/ex_engine/build.sh && \
-    (bash /workspace/ex_engine/build.sh --corex 2>&1 || true) | tee /workspace/ex_build.log ; \
-    echo "[Dockerfile] ex_engine build done"
+    bash /workspace/ex_engine/build.sh --corex 2>&1 | tee /workspace/ex_build.log ; \
+    echo "[Dockerfile] ex_engine build exit code: $?"
 
-# Step 2: Precompile MoE CUDA kernels (tolerant)
-RUN (python3 /workspace/ex_engine/precompile_moe_topk.py 2>&1 || true) | tee -a /workspace/ex_build.log ; \
-    echo "[Dockerfile] moe_topk precompile done"
+# Step 2: Precompile MoE CUDA kernels
+RUN python3 /workspace/ex_engine/precompile_moe_topk.py 2>&1 | tee -a /workspace/ex_build.log ; \
+    echo "[Dockerfile] moe_topk precompile exit code: $?"
 
-# Step 3: Precompile vllm v0.5.5 MoE kernels (tolerant)
-RUN (python3 /workspace/ex_engine/precompile_moe_kernels.py 2>&1 || true) | tee -a /workspace/ex_build.log ; \
-    echo "[Dockerfile] moe_v055 precompile done"
+# Step 3: Precompile vllm v0.5.5 MoE kernels
+RUN python3 /workspace/ex_engine/precompile_moe_kernels.py 2>&1 | tee -a /workspace/ex_build.log ; \
+    echo "[Dockerfile] moe_v055 precompile exit code: $?"
 
-# Step 4: Deploy patches (serving + engine fixes) — tolerant
+# Step 4: Deploy patches (serving + engine fixes)
+# patch_ops.sh also builds bridge, deploys .so and Python modules
 RUN chmod +x /workspace/qwen3_6_scripts/patch_ops.sh && \
-    (cd /workspace/qwen3_6_scripts && bash ./patch_ops.sh 2>&1 || true) | tee /workspace/patch_ops.log ; \
-    echo "[Dockerfile] patch_ops done"
+    bash /workspace/qwen3_6_scripts/patch_ops.sh 2>&1 | tee /workspace/patch_ops.log ; \
+    echo "[Dockerfile] patch_ops exit code: $?"
 
-# Step 5: Build ix_unified_bridge.so (tolerant — ixformer symbols resolved at runtime)
-RUN if [ -f /workspace/ex_engine/build_unified_bridge.sh ]; then \
-        chmod +x /workspace/ex_engine/build_unified_bridge.sh && \
-        (bash /workspace/ex_engine/build_unified_bridge.sh 2>&1 || true) | tee -a /workspace/ex_build.log ; \
-    fi ; \
-    echo "[Dockerfile] bridge build done"
-
-# Step 6: Deploy ix_unified Python modules to vllm path (tolerant)
-RUN VLLM_ROOT="$(python3 -c 'import vllm; print(vllm.__path__[0])' 2>/dev/null | grep -v '^INFO\|^WARNING\|^DEBUG' | tail -1)" ; \
-    if [ -z "$VLLM_ROOT" ]; then VLLM_ROOT="/usr/local/corex/lib64/python3/dist-packages/vllm"; fi ; \
-    echo "[Dockerfile] VLLM_ROOT=${VLLM_ROOT}" && \
-    for f in ix_unified.py corex_so_loader.py moe_fused_dispatch.py corex_moe.py; do \
-        [ -f "/workspace/ex_engine/python/$f" ] && cp "/workspace/ex_engine/python/$f" "${VLLM_ROOT}/$f" 2>/dev/null || true ; \
-    done ; \
-    for _so in /workspace/ex_engine/build/ix_unified_bridge*.so; do \
-        [ -f "$_so" ] && cp "$_so" "${VLLM_ROOT}/" 2>/dev/null || true ; \
-    done ; \
-    echo "[Dockerfile] bridge deploy done"
-
-# Step 7: Precompile GDN kernel (tolerant)
-RUN (python3 /workspace/qwen3_6_scripts/precompile_gdn.py \
-    /workspace/qwen3_6_scripts/flash_qla_sm70 2>&1 || true) | tee -a /workspace/ex_build.log ; \
-    echo "[Dockerfile] gdn precompile done"
+# Step 5: Precompile GDN kernel (needs vllm in path, so after patch_ops)
+RUN python3 /workspace/qwen3_6_scripts/precompile_gdn.py \
+    /workspace/qwen3_6_scripts/flash_qla_sm70 2>&1 | tee -a /workspace/ex_build.log ; \
+    echo "[Dockerfile] gdn precompile exit code: $?"