Add Dockerfile and CI workflow for MLNode alpha5-opt

Author: adm-dmitryf

.github/workflows/build-push.yml

@@ -0,0 +1,38 @@
+name: Build and Push MLNode Image
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to ghcr.io
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:alpha5-opt
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

Dockerfile

@@ -0,0 +1,11 @@
+FROM ghcr.io/product-science/mlnode:3.0.13-alpha5
+
+# Patch 1: increase unhealthy count threshold to avoid premature restarts during warmup
+RUN grep -q 'MAX_UNHEALTHY_COUNT = 9999' /app/packages/api/src/api/watcher.py || \
+    sed -i 's/MAX_UNHEALTHY_COUNT = 3/MAX_UNHEALTHY_COUNT = 9999/' \
+        /app/packages/api/src/api/watcher.py
+
+# Patch 2: setup vllm proxy on port 5001 (needed for benchmark tool)
+RUN grep -q 'setup_vllm_proxy' /app/packages/api/src/api/app.py || \
+    sed -i '/await start_vllm_proxy()/a\    setup_vllm_proxy([5001])' \
+        /app/packages/api/src/api/app.py