feat: add docker workflow (#751)

.github/workflows/docker.yml

+name: publish docker
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "python/sglang/version.py"
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: 'prod'
+    strategy:
+      matrix:
+        cuda_version: ['12.1.1', '12.4.1']
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Build and Push
+        run: |
+          version=$(cat python/sglang/version.py | cut -d'"' -f2)
+          
+          if [ "${{ matrix.cuda_version }}" = "12.1.1" ]; then
+            cuda_tag="cu121"
+          elif [ "${{ matrix.cuda_version }}" = "12.4.1" ]; then
+            cuda_tag="cu124"
+          else
+            echo "Unsupported CUDA version"
+            exit 1
+          fi
+          
+          tag=v${version}-${cuda_tag}
+          
+          docker build . -f docker/Dockerfile --build-arg CUDA_VERSION=${{ matrix.cuda_version }} -t lmsysorg/sglang:${tag} --no-cache
+          docker push lmsysorg/sglang:${tag}
+          
+          if [ "${{ matrix.cuda_version }}" = "12.1.1" ]; then
+            docker tag lmsysorg/sglang:${tag} lmsysorg/sglang:latest
+            docker push lmsysorg/sglang:latest
+          fi

docker/Dockerfile

@@ -20,12 +20,14 @@ RUN echo 'tzdata tzdata/Areas select America' | debconf-set-selections \
     && apt-get clean
 
 RUN apt-get update -y \
-    && apt-get install -y python3-pip git curl sudo
+    && apt-get install -y git curl sudo
 
 WORKDIR /sgl-workspace
 
 RUN pip3 --no-cache-dir install --upgrade pip \
-    && pip3 --no-cache-dir install "sglang[all]" \
+    && git clone --depth=1 https://github.com/sgl-project/sglang.git \
+    && cd sglang \
+    && pip3 --no-cache-dir install -e "python[all]" \
     && pip3 --no-cache-dir install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.3/
 
 ENV DEBIAN_FRONTEND=interactive

python/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sglang"
-version = "0.2.1"
+version = "0.2.2"
 description = "SGLang is yet another fast serving framework for large language models and vision language models."
 readme = "README.md"
 requires-python = ">=3.8"

python/sglang/version.py

-__version__ = "0.2.1"
+__version__ = "0.2.2"