Add logic to publish a docker to ghcr (#5)

.github/workflows/docker.yml

@@ -0,0 +1,44 @@
+# Simple workflow for deploying static content to GitHub Pages
+name: Build docker container
+
+on:
+  push:
+    branches: ['main']
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  id-token: write
+  packages: write
+
+concurrency:
+  group: 'docker'
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}:latest
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest
+          platforms: linux/amd64
+          labels: |
+            ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,22 @@
+FROM node:lts-alpine
+
+# install simple http server for serving static content
+RUN npm install -g http-server
+
+# make the 'app' folder the current working directory
+WORKDIR /app
+
+# copy both 'package.json' and 'package-lock.json' (if available)
+COPY package*.json ./
+
+# install project dependencies
+RUN npm install
+
+# copy project files and folders to the current working directory (i.e. 'app' folder)
+COPY . .
+
+# build app for production with minification
+RUN npm run build
+
+EXPOSE 8080
+CMD [ "http-server", "dist" ]