Added release workflow

.dockerignore

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+node_modules
+dist
+.git
+coverage
+npm-debug.log

.github/workflows/release.yml

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+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version_bump:
+        description: 'Version bump type'
+        required: true
+        default: 'patch'
+        type: choice
+        options:
+          - patch
+          - minor
+          - major
+
+permissions:
+  contents: write
+  packages: write
+  id-token: write
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type Check
+        run: npm run type-check
+
+      - name: Run tests
+        run: npm test
+
+  release:
+    needs: test
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.version.outputs.new_version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Calculate next version
+        id: version
+        run: |
+          LATEST_TAG=$(git tag -l 'v*' | sort -V | tail -n1)
+          if [ -z "$LATEST_TAG" ]; then
+            LATEST_TAG="v0.0.0"
+          fi
+
+          echo "Latest tag: $LATEST_TAG"
+
+          VERSION=${LATEST_TAG#v}
+          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"
+
+          case "${{ inputs.version_bump }}" in
+            major)
+              MAJOR=$((MAJOR + 1))
+              MINOR=0
+              PATCH=0
+              ;;
+            minor)
+              MINOR=$((MINOR + 1))
+              PATCH=0
+              ;;
+            patch)
+              PATCH=$((PATCH + 1))
+              ;;
+          esac
+
+          NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}"
+          echo "New version: $NEW_VERSION"
+          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Create and push tag
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git tag -a ${{ steps.version.outputs.new_version }} -m "Release ${{ steps.version.outputs.new_version }}"
+          git push origin ${{ steps.version.outputs.new_version }}
+
+  build-docker:
+    needs: release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=${{ needs.release.outputs.version }}
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  github-release:
+    needs: [release, build-docker]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Generate changelog
+        run: |
+          PREVIOUS_TAG=$(git tag -l 'v*' | sort -V | tail -n2 | head -n1)
+          if [ -z "$PREVIOUS_TAG" ]; then
+            PREVIOUS_TAG=$(git rev-list --max-parents=0 HEAD)
+          fi
+
+          echo "## Changes since $PREVIOUS_TAG" > changelog.md
+          echo "" >> changelog.md
+          git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..${{ needs.release.outputs.version }} >> changelog.md || true
+          echo "" >> changelog.md
+          echo "## Docker Image" >> changelog.md
+          echo "" >> changelog.md
+          echo "Docker image is available at:" >> changelog.md
+          echo "- \`ghcr.io/${{ github.repository }}:${{ needs.release.outputs.version }}\`" >> changelog.md
+          echo "- \`ghcr.io/${{ github.repository }}:latest\`" >> changelog.md
+          echo "" >> changelog.md
+          echo "Pull with: \`docker pull ghcr.io/${{ github.repository }}:${{ needs.release.outputs.version }}\`" >> changelog.md
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ needs.release.outputs.version }}
+          name: Release ${{ needs.release.outputs.version }}
+          body_path: changelog.md
+          draft: false
+          prerelease: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Dockerfile

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+FROM node:20-bookworm-slim AS base
+
+FROM base AS build-tools
+RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ && rm -rf /var/lib/apt/lists/*
+
+FROM build-tools AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+
+FROM build-tools AS prod-deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+FROM build-tools AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN npm run build
+
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+COPY --from=prod-deps /app/node_modules ./node_modules
+COPY --from=builder /app/dist ./dist
+
+RUN groupadd --system --gid 1001 nodejs && useradd --system --uid 1001 --gid 1001 copilot
+RUN chown -R copilot:nodejs /app
+USER copilot
+
+EXPOSE 6060
+
+ENV PORT=6060
+
+CMD ["node", "dist/server.js"]