Merge pull request #1 from strangelove-ventures/andrew/gh_action_dock…

…er_publish

Add github action for docker build and push

.github/workflows/docker-publish.yaml

@@ -0,0 +1,59 @@
+name: Build and push a Docker image
+
+on:
+  push:
+    tags:
+    - '**'
+    branches:
+    - '**'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        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: Log in to the Container registry
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            # set latest tag for default branch
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=tag
+            type=ref,event=pr
+
+      - name: Build and push Docker image
+        uses: docker/[email protected]
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          file: Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,6 +1,11 @@
 FROM boxboat/config-merge:latest as config-merge
 USER root
 RUN apk add wget curl lz4 nano jq
-RUN wget -O /usr/local/bin/dasel https://github.com/TomWright/dasel/releases/download/v1.26.0/dasel_linux_amd64
+RUN if [ "$(uname -m)" = "aarch64" ]; then \
+      ARCH=arm64; \
+    else \
+      ARCH=amd64; \
+    fi; \
+    wget -O /usr/local/bin/dasel https://github.com/TomWright/dasel/releases/download/v1.26.0/dasel_linux_$ARCH
 RUN chmod +x /usr/local/bin/dasel
-WORKDIR /root
+WORKDIR /root