build: add initial docker push workflow (#111)

.github/workflows/release.yml

@@ -42,3 +42,46 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.CI_GITHUB_TOKEN }}
         run: bash ./scripts/brew_push_formula.sh ${{ github.event.inputs.release_version }}
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Build and export to Docker
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          load: true
+          tags: |
+            allero/allero-cli:${{ github.event.inputs.release_version }}
+            allero/allero-cli:latest
+      -
+        name: Test
+        run: |
+          docker run --rm allero/allero-cli:${{ github.event.inputs.release_version }}
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1
+        if: github.event_name != 'pull_request'
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          build-args: cli-version=${{ github.event.inputs.release_version }}
+          tags: |
+            allero/allero-cli:${{ github.event.inputs.release_version }}
+            allero/allero-cli:latest

Dockerfile

@@ -1,13 +1,14 @@
 FROM golang:1.19-alpine AS builder
 RUN apk --no-cache add curl gcc g++
 
+ARG cli-version
+
 WORKDIR /go/src/app
 COPY . .
 
-RUN curl -H "Authorization: token $GITHUB_TOKEN" --silent "https://api.github.com/repos/allero-io/allero-wip/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/' > cli-version
 RUN go get -d -v ./...
-RUN go build -tags main -ldflags="-X github.com/allero-io/allero/cmd.CliVersion=$(cat cli-version)" -v
+RUN go build -tags main -ldflags="-X github.com/allero-io/allero/cmd.CliVersion=${cli-version}" -v
 
 FROM alpine:3.14
 COPY --from=builder /go/src/app/allero /
-ENTRYPOINT ["/allero"]
+ENTRYPOINT ["/allero"]