feat: docker image build

.dockerignore

@@ -0,0 +1,12 @@
+.github
+assets
+docs
+dist
+node_modules
+
+Dockerfile
+.editorconfig
+.eslintrc.js
+.gitattributes
+.gitignore
+.prettierignore

.github/workflows/docker-publish.yml

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+name: Docker
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+env:
+  IMAGE_NAME: companion-satellite
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build image
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
+      - name: Log into registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
+      - name: Push image
+        run: |
+          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION

Dockerfile

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+FROM node:14
+
+WORKDIR /app
+COPY . /app/
+
+RUN yarn
+RUN yarn build
+RUN yarn --prod
+
+FROM node:14-slim
+
+WORKDIR /app
+COPY --from=0 /app/	/app/
+
+RUN apt-get update && apt-get install -y \
+	libusb-1.0 \
+	&& rm -rf /var/lib/apt/lists/*
+
+USER node
+ENTRYPOINT ["node", "/app/dist/main.js"]