major: official release and pipeline

.github/workflows/release.yml

@@ -0,0 +1,71 @@
+name: Release
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Determine version
+        id: version
+        run: |
+          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
+          echo "Latest tag: $LATEST_TAG"
+
+          COMMITS=$(git log ${LATEST_TAG}..HEAD --pretty=format:"%s")
+          echo "Commits since last tag:"
+          echo "$COMMITS"
+
+          VERSION=${LATEST_TAG#v}
+          MAJOR=$(echo $VERSION | cut -d. -f1)
+          MINOR=$(echo $VERSION | cut -d. -f2)
+          PATCH=$(echo $VERSION | cut -d. -f3)
+
+          if echo "$COMMITS" | grep -qE "^major:"; then
+            MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0
+          elif echo "$COMMITS" | grep -qE "^feat:"; then
+            MINOR=$((MINOR + 1)); PATCH=0
+          else
+            PATCH=$((PATCH + 1))
+          fi
+
+          NEW_VERSION="v${MAJOR}.${MINOR}.${PATCH}"
+          echo "New version: $NEW_VERSION"
+          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Tag release
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git tag ${{ steps.version.outputs.version }}
+          git push origin ${{ steps.version.outputs.version }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PAT }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            rwejlgaard/octopus_exporter:${{ steps.version.outputs.version }}
+            rwejlgaard/octopus_exporter:latest