Merge pull request #45 from yutachaos/feature/added_docker_release

Added dockerfile and release GitHub Action

.github/workflows/release.yaml

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+name: docker push
+on: [push]
+jobs:
+  push_to_registry:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Docker meta
+        if: startsWith(github.ref, 'refs/tags/')
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tag-match: v(.*)
+      - name: Set up QEMU
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Cache Docker layers
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      - name: Login to GitHub Container Registry
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name:  Build and push
+        uses: docker/build-push-action@v2
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          builder: ${{ steps.buildx.outputs.name }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+          push: true

Dockerfile

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+FROM alpine:3.13.4
+
+COPY ./mo .
+RUN apk add --update bash && \
+    chmod +x mo &&\
+    mv mo /usr/local/bin/mo && \
+    rm -rf /var/cache/apk/*
+
+WORKDIR /opt
+
+ENTRYPOINT ["/usr/local/bin/mo"]