Merge pull request #1 from stackhpc/feature/add-dockerfile

Initial code

.github/workflows/build-and-push-images.yml

@@ -0,0 +1,49 @@
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'master'
+
+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@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            # set latest tag for master branch
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,10 @@
+FROM golang:alpine as builder
+RUN apk add --no-cache git
+RUN git clone https://github.com/jovial/redfish_exporter /build && cd /build && git checkout feature/log_counts
+WORKDIR /build
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o main .
+FROM scratch
+COPY --from=builder /build/main /app/
+WORKDIR /app
+CMD ["./main"]
+