Add a Dockerfile for the cosmosdb-server service

.dockerignore

@@ -0,0 +1,2 @@
+Dockerfile
+node_modules

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    name: release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout commit and fetch tag history
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: vercel/cosmosdb-server
+          tag-semver: |
+            {{version}}
+            {{major}}.{{minor}}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:12-slim
+
+WORKDIR /app
+
+COPY package.json yarn.lock ./
+
+RUN yarn install --production=false --frozen-lockfile 
+
+COPY . .
+
+RUN yarn run build
+
+ENTRYPOINT [ "node", "lib/cli.js" ] 

src/index.ts

@@ -87,5 +87,17 @@ export default (opts?: ServerOptions) => {
     }
   });
 
+  const gracefulShutdown = () => {
+    console.debug("Attempting a graceful shutdown...");
+
+    server.close(() => {
+      console.debug("Existing connections closed. Exiting...");
+      process.exit(0);
+    });
+  };
+
+  process.on('SIGINT', gracefulShutdown);
+  process.on('SIGTERM', gracefulShutdown);
+
   return server;
 };