build docker image

.github/workflows/build.yml

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+name: Docker Build and Push
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  id-token: write
+  contents: read
+  actions: read
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push images
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: ./Dockerfile
+          target: ghcr.io/hpcslab/cfp-summary-server
+          tags: ${{ github.sha }}
+          push: true

Dockerfile

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+FROM node:22
+
+WORKDIR /work
+COPY api .
+COPY db .
+COPY views .
+COPY index.js .
+COPY package.json .
+
+RUN npm install --frozen-lockfile
+
+ENTRYPOINT [ "/usr/local/bin/node" ]
+CMD [ "./index.js" ]