Merge pull request #58 from kjsanger/feature/conditional-release

Make image deployment conditional on release

.github/workflows/create-release.yml

@@ -0,0 +1,88 @@
+name: "Create release"
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        shell: bash -l -e -o pipefail {0}
+
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: "Fetch Tags"
+        # Workaround for https://github.com/actions/checkout/issues/290
+        run: |
+          # Avoid git exiting when Actions runs
+          git config --global --add safe.directory "$PWD"
+          
+          git fetch --tags --force
+
+      - name: "Get release variables"
+        run: |
+          echo 'RELEASE_VERSION='$(git describe --always --tags) >> $GITHUB_ENV
+          echo 'MASTER_SHA='$(git rev-parse origin/master) >> $GITHUB_ENV
+
+      - name: "Create Release"
+        uses: ncipollo/release-action@v1.12.0
+        with:
+          name: ${{ env.RELEASE_VERSION }}
+          prerelease: ${{ !(github.sha == env.MASTER_SHA) }}
+          generateReleaseNotes: true
+
+    outputs:
+      isRelease: ${{ github.sha == env.MASTER_SHA }}
+
+  deploy:
+    runs-on: ubuntu-latest
+
+    needs: release
+
+    # Workaround for https://github.com/actions/runner/issues/1483
+    # Actions coerces boolean to string
+    if: needs.release.outputs.isRelease == 'true'
+
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: "Fetch Tags"
+        # Workaround for https://github.com/actions/checkout/issues/290
+        run: |
+          # Avoid git exiting when Actions runs
+          git config --global --add safe.directory "$PWD"
+          
+          git fetch --tags --force
+
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@v2
+        with:
+          buildkitd-flags: --debug
+
+      - name: "Login to ghcr.io"
+        uses: docker/login-action@v2
+        with:
+            registry: ghcr.io
+            username: ${{ github.repository_owner }}
+            password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Build and push Docker images"
+        run: |
+            cd docker
+            make GITHUB_ACTIONS=${GITHUB_ACTIONS} GITHUB_REPOSITORY_OWNER=${{ github.repository_owner }}
+
+            docker image prune --force
+            docker images
+
+            make push GITHUB_ACTIONS=${GITHUB_ACTIONS} GITHUB_REPOSITORY_OWNER=${{ github.repository_owner }}