Add frontend docker image builds.

.dockerignore

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+node_modules/
+dist/
+.git/
+.*
+*.md

.github/workflows/docker-build.yml

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+name: Docker Multi-Architecture Build
+
+on:
+  push:
+    paths-ignore:
+      - "**.md"
+    branches:
+      - master
+
+jobs:
+  build-docker-hotspot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.3.4
+        with:
+          fetch-depth: 0
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1.2.0
+        with:
+          platforms: all
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1.5.1
+        with:
+          version: latest
+      - name: Login to DockerHub
+        uses: docker/login-action@v1.10.0
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v2.6.1
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: 1337kavin/piped-frontend:latest

Dockerfile

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+FROM node:current-alpine AS build
+
+WORKDIR /app/
+
+COPY package.json yarn.lock ./
+
+RUN yarn install --prefer-offline
+
+COPY . .
+
+RUN yarn build && sed -i 's/fonts.gstatic.com/fonts.kavin.rocks/g' dist/css/*.css
+
+FROM nginx:alpine
+
+COPY --from=build /app/dist/ /usr/share/nginx/html/
+
+EXPOSE 80