feat: automated docker image build with multi arch (amd64 + arm64) (#665)

* feat: build container in ci

Signed-off-by: Markus Maga <[email protected]>

* chore: add dependabot config

Signed-off-by: Markus Maga <[email protected]>

Author: Flydiverny

.github/.dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/build-container.yaml

@@ -0,0 +1,62 @@
+name: docker
+
+on:
+  push:
+    branches:
+      - '**'
+    tags:
+      - '*.*.*'
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Image name
+        id: image_name
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            const { default_branch } = await github.repos.get(context.repo);
+
+            let imageName = 'kes-dev';
+
+            if (default_branch === context.ref.replace('refs/heads/', '') || context.ref.startsWith('refs/tags/')) {
+              imageName = 'kubernetes-external-secrets';
+            }
+
+            core.setOutput('image', `ghcr.io/external-secrets/${imageName}`);
+
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: ${{ steps.image_name.outputs.image }}
+          tag-sha: github.ref != 'refs/heads/master'
+
+      - name: Login to Docker
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+

Dockerfile

@@ -1,7 +1,7 @@
 FROM node:12-alpine
 
 ENV NODE_ENV production
-ENV NPM_CONFIG_LOGLEVEL info
+ENV NPM_CONFIG_LOGLEVEL warn
 
 # Setup source directory
 WORKDIR /app