Build & push docker images (#53)

* Build & push docker images

* Use tag

* Update versions

.github/workflows/release.yml

@@ -3,6 +3,7 @@ on:
   push:
     tags:
       - '*'
+
 jobs:
   create_release:
     runs-on: ubuntu-latest

.github/workflows/release_docker.yml

@@ -0,0 +1,57 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches: [ master ]
+    tags: ["*"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [linux/amd64, linux/arm64]
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v4
+
+      - name: Log in to Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha
+            type=raw,value=latest-${{ matrix.platform }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ matrix.platform }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,13 +1,18 @@
-FROM golang:1.20.3-alpine
+FROM golang:1.20.3-alpine as builder
 
 WORKDIR /app
 
 COPY go.mod go.sum ./
 RUN go mod download && go mod verify
 
 COPY . .
+
+ENV CGO_ENABLED=0
 RUN go build -v -o /usr/local/bin/gnark-mbu .
 
+FROM gcr.io/distroless/base-debian11:nonroot
+
+COPY --from=builder /usr/local/bin/gnark-mbu /usr/local/bin/gnark-mbu
 VOLUME /mtb
 
 ENTRYPOINT [ "gnark-mbu" ]