Add Dockerfile

.github/workflows/docker-build.yml

@@ -0,0 +1,35 @@
+name: Docker Build
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.CR_PAT }}
+
+    - name: Set lowercase owner name
+      id: lowercase
+      run: echo "OWNER=$(echo ${{ github.repository_owner }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
+    - name: Build and Push Docker image
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        push: true
+        tags: ghcr.io/${{ env.OWNER }}/simple-chat:latest
+        cache-from: type=gha
+        cache-to: type=gha,mode=max

Dockerfile

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+# Builder image
+FROM node:20-alpine AS builder
+
+RUN npm install -g pnpm
+
+WORKDIR /app
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY . .
+RUN pnpm build
+
+# Production image
+FROM nginx:alpine AS production
+
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]