new worflow to publish amd64/arm64 netclient docker images

.github/workflows/publish-netclient-docker.yml

@@ -0,0 +1,79 @@
+name: Publish Netclient Docker
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'docker tag'
+        required: true
+  release:
+    types: [published]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - 
+        name: Set tag
+        run: |
+            if [[ -n "${{ github.event.inputs.tag }}" ]]; then
+              TAG=${{ github.event.inputs.tag }}
+            elif [[ "${{ github.ref_name }}" == 'master' ]]; then
+              TAG="latest"
+            else
+              TAG="${{ github.ref_name }}"
+            fi
+            echo "TAG=${TAG}" >> $GITHUB_ENV
+      - 
+        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: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - 
+        name: Build x86 and export to Docker
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          load: true
+          platforms: linux/amd64
+          file: docker/Dockerfile-netclient-multiarch
+          tags: ${{ env.TAG }}
+      -
+        name: Test x86
+        run: |
+            docker run --rm ${{ env.TAG }}&
+            sleep 10
+            kill %1
+      -
+        name: Build arm and export to Docker
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          load: true
+          platforms: linux/arm64
+          file: docker/Dockerfile-netclient-multiarch
+          tags: ${{ env.TAG }}
+      -
+        name: Test arm
+        run: |
+            docker run --rm ${{ env.TAG }}&
+            sleep 10
+            kill %1
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64, linux/arm64
+          push: true
+          tags: gravitl/netclient:${{ env.TAG }}

docker/Dockerfile-netclient-multiarch

@@ -0,0 +1,39 @@
+FROM gravitl/builder:latest as builder
+# add glib support daemon manager
+WORKDIR /app
+
+COPY . .
+
+ENV GO111MODULE=auto
+
+RUN GOOS=linux GOARCH=arm64 CGO_ENABLED=0 /usr/local/go/bin/go build -ldflags="-w -s" -o netclient-app netclient/main.go
+
+WORKDIR /root/
+
+RUN apk add --update git build-base libmnl-dev iptables
+
+RUN git clone https://git.zx2c4.com/wireguard-go && \
+    cd wireguard-go && \
+    make && \
+    make install
+
+ENV WITH_WGQUICK=yes
+RUN git clone https://git.zx2c4.com/wireguard-tools && \
+    cd wireguard-tools && \
+    cd src && \
+    make && \
+    make install
+
+FROM alpine:3.13.6
+
+WORKDIR /root/
+
+RUN apk add --no-cache --update bash libmnl gcompat iptables openresolv iproute2
+COPY --from=builder /usr/bin/wireguard-go /usr/bin/wg* /usr/bin/
+COPY --from=builder /app/netclient-app ./netclient
+COPY --from=builder /app/scripts/netclient.sh .
+RUN chmod 0755 netclient && chmod 0755 netclient.sh
+
+ENV WG_QUICK_USERSPACE_IMPLEMENTATION=wireguard-go
+
+ENTRYPOINT ["/bin/sh", "./netclient.sh"]