add GitHub Actions workflow

1 files changed, 53 insertions, 0 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..f6aac99
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,53 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  publish_docker:
+    runs-on: ubuntu-latest
+    name: 'Publish / Docker Hub'
+    if: github.event_name == 'push' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/'))
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      # https://github.com/docker/metadata-action#semver
+      - id: meta
+        name: Docker Hub metadata
+        uses: docker/metadata-action@v4
+        with:
+          images: egortensin/wg-api-web
+          flavor: |
+            latest=auto
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: egortensin
+          password: '${{ secrets.DOCKERHUB_TOKEN }}'
+      - id: platforms
+        name: Which platforms?
+        # Building for ARM for every commit in master is too time-consuming.
+        run: |
+          if [ '${{ github.ref }}' = 'refs/heads/master' ]; then
+              echo '::set-output name=platforms::linux/amd64'
+          else
+              echo '::set-output name=platforms::linux/amd64,linux/armhf'
+          fi
+      - name: Build and publish
+        uses: docker/build-push-action@v3
+        with:
+          labels: '${{ steps.meta.outputs.labels }}'
+          platforms: '${{ steps.platforms.outputs.platforms }}'
+          push: true
+          tags: '${{ steps.meta.outputs.tags }}'