Update github actions

Basic github actions to build and publish container images to ghcr.

.github/workflows/docker-build.yaml

@@ -0,0 +1,63 @@
+name: docker-build
+
+on:
+  push:
+    tags:
+      - "[0-9]+\\.[0-9]+\\.[0-9]+"
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  release:
+    types:
+      - published
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  docker-build:
+    name: Build and push container images
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v2
+      - name: Export git tag
+        uses: tenhaus/get-release-or-tag@v2
+        id: tag
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            # default branch event
+            type=edge,branch=${{ github.event.repository.default_branch }},priority=700
+            type=sha,format=long,branch=${{ github.event.repository.default_branch }},priority=100
+            # tag event
+            type=semver,pattern={{version}},event=tag,priority=900
+            type=semver,pattern={{major}},event=tag,priority=850
+            type=semver,pattern={{major}}.{{minor}},event=tag,priority=800
+            type=sha,format=long,event=tag,priority=100
+            # pr event
+            type=ref,event=pr,priority=600
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to ghcr.io
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build image
+        uses: docker/build-push-action@v2
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/run-tests.yaml

@@ -0,0 +1,27 @@
+# TODO: fixme
+#name: "Run tests"
+#
+#on:
+#  pull_request:
+#    branches:
+#      - master
+#
+#jobs:
+#  test:
+#    name: Run tests
+#    runs-on: ubuntu-latest
+#    steps:
+#    - uses: actions/checkout@v1
+#    - name: Set up Python 3.7
+#      uses: actions/setup-python@v1
+#      with:
+#        python-version: 3.7
+#    - name: Install dependencies
+#      run: |
+#        python -m pip install --upgrade pip
+#        pip3 install -r requirements.txt
+#        pip3 install -r requirements-tests.txt
+#    - name: Run tests
+#      run: |
+#        make test
+#

README.md

@@ -134,7 +134,7 @@ docker run -ti --rm \
   -e AWS_DEFAULT_REGION \
   -v "${HOME}/.aws:/root/.aws" \
   -v "${HOME}/.kube/config:/root/.kube/config" \
-  ghcr.io/deinstapel/eks-rolling-update/eks-rolling-update:edge \
+  ghcr.io/deinstapel/eks-rolling-update:edge \
   -c my-cluster
 ```