From ed26a111b240f567c40b5294b1f7964d793f3091 Mon Sep 17 00:00:00 2001
From: Baizhou Zhang <sobereddiezhang@gmail.com>
Date: Thu, 23 Jul 2026 14:51:43 -0700
Subject: [PATCH] Revert "docker: install dynamo nightly in the dev image for
 rapid iteration/testing" (#32257)

---
 .github/workflows/release-docker-dev.yml |  8 +++---
 docker/Dockerfile                        | 34 +-----------------------
 2 files changed, 4 insertions(+), 38 deletions(-)

diff --git a/.github/workflows/release-docker-dev.yml b/.github/workflows/release-docker-dev.yml
index d2eb0eb95..b48126e8c 100644
--- a/.github/workflows/release-docker-dev.yml
+++ b/.github/workflows/release-docker-dev.yml
@@ -61,13 +61,11 @@ jobs:
             echo "checkout_ref=" >> $GITHUB_OUTPUT
           fi
 
-          # Determine extra build args. INSTALL_DYNAMO=1 installs the ai-dynamo
-          # nightly here only; release-docker.yml / release-docker-runtime.yml
-          # leave it at the Dockerfile default (0), keeping it out of releases.
+          # Determine extra build args
           if [ "${{ github.event_name }}" = "schedule" ]; then
-            echo "extra_build_args=--build-arg USE_LATEST_SGLANG=1 --build-arg INSTALL_DYNAMO=1 --build-arg CMAKE_BUILD_PARALLEL_LEVEL=\$(nproc)" >> $GITHUB_OUTPUT
+            echo "extra_build_args=--build-arg USE_LATEST_SGLANG=1 --build-arg CMAKE_BUILD_PARALLEL_LEVEL=\$(nproc)" >> $GITHUB_OUTPUT
           else
-            echo "extra_build_args=--build-arg BRANCH_TYPE=local --build-arg INSTALL_DYNAMO=1 --build-arg CMAKE_BUILD_PARALLEL_LEVEL=\$(nproc)" >> $GITHUB_OUTPUT
+            echo "extra_build_args=--build-arg BRANCH_TYPE=local --build-arg CMAKE_BUILD_PARALLEL_LEVEL=\$(nproc)" >> $GITHUB_OUTPUT
           fi
 
           # Determine tag suffix
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 6001be1f6..d16d9b633 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -610,30 +610,6 @@ RUN --mount=type=cache,target=/root/.cache/pip \
     termplotlib \
     "runai-model-streamer[s3,gcs,azure]>=0.15.7"
 
-# Optional ai-dynamo nightly for Dynamo + SGLang integration testing. Gated by
-# INSTALL_DYNAMO so it lands only in the dev image (release-docker-dev.yml sets
-# it), not the version-tagged release/runtime images. Empty DYNAMO_VERSION
-# resolves the latest (highest-version) nightly, matching `pip install --pre`;
-# set it to pin an exact version for a reproducible build.
-ARG INSTALL_DYNAMO=0
-ARG DYNAMO_VERSION=
-RUN --mount=type=cache,target=/root/.cache/pip \
-    set -eu; \
-    if [ "$INSTALL_DYNAMO" = "1" ]; then \
-        if [ -z "$DYNAMO_VERSION" ]; then \
-            index="$(curl -fsSL --retry 3 --retry-delay 2 https://pypi.nvidia.com/ai-dynamo/)" \
-                || { echo "ERROR: failed to fetch the ai-dynamo index from pypi.nvidia.com"; exit 1; }; \
-            DYNAMO_VERSION="$(printf '%s\n' "$index" \
-                | grep -oE '[0-9]+\.[0-9]+\.[0-9]+\.dev[0-9]{8}' | sort -Vu | tail -1)"; \
-            case "$DYNAMO_VERSION" in \
-                *.*.*.dev????????) : ;; \
-                *) echo "ERROR: no X.Y.Z.devYYYYMMDD nightly found in the index (format may have changed)"; exit 1 ;; \
-            esac; \
-        fi; \
-        echo "Installing ai-dynamo==${DYNAMO_VERSION}"; \
-        python3 -m pip install --extra-index-url https://pypi.nvidia.com "ai-dynamo==${DYNAMO_VERSION}"; \
-    fi
-
 # Per-CUDA-major package installs. The `nixl` stub package is needed (it owns
 # the `nixl` import path) but unconditionally requires nixl-cu12, so we install
 # it with --no-deps and pair it with the matching nixl-cu12 / nixl-cu13 binary
@@ -691,7 +667,6 @@ ARG BUILD_TYPE
 ARG CUDA_VERSION
 ARG SGL_VERSION
 ARG USE_LATEST_SGLANG
-ARG INSTALL_DYNAMO=0
 
 WORKDIR /sgl-workspace
 
@@ -748,15 +723,8 @@ RUN --mount=type=cache,target=/root/.cache/pip \
 # Install pre-built gateway artifacts from parallel builder
 COPY --from=gateway_builder /build/sgl-model-gateway-bin /usr/local/bin/sgl-model-gateway
 COPY --from=gateway_builder /build/gateway_wheels /tmp/gateway_wheels
-# When ai-dynamo is installed (dev image), reinstall the gateway wheel with
-# --no-deps so it cannot re-resolve and replace Dynamo's shared dependencies.
-# Otherwise resolve the gateway's own dependencies normally.
 RUN --mount=type=cache,target=/root/.cache/pip \
-    if [ "$INSTALL_DYNAMO" = "1" ]; then \
-        python3 -m pip install --force-reinstall --no-deps /tmp/gateway_wheels/*.whl; \
-    else \
-        python3 -m pip install --force-reinstall /tmp/gateway_wheels/*.whl; \
-    fi \
+    python3 -m pip install --force-reinstall /tmp/gateway_wheels/*.whl \
     && rm -rf /tmp/gateway_wheels
 
 # Set workspace directory