Added docker workflow

.github/workflows/docker.yml

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+name: Docker
+on:
+  push:
+  schedule:
+    - cron: "42 2 2 * *"
+  workflow_dispatch:
+
+jobs:
+  buildDockerImage:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          lfs: false
+      - name: Create LFS file list
+        run: git lfs ls-files --long | cut -d ' ' -f1 | sort > .lfs-assets-id
+      - name: LFS Cache
+        uses: actions/cache@v4
+        with:
+          path: .git/lfs/objects
+          key: ${{ runner.os }}-lfs-${{ hashFiles('.lfs-assets-id') }}
+          restore-keys: |
+            ${{ runner.os }}-lfs-
+      - name: Git LFS Pull
+        run: git lfs pull
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: 'latest'
+          extended: true
+      - name: Build
+        run: hugo --minify --noTimes=false
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/wisvch/bapc-2025
+          tags: type=sha, prefix={{date 'YYYYMMDD'}}-
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          push: ${{ github.ref == 'refs/heads/main' }}

Dockerfile

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+FROM wisvch/nginx
+# Change the config file to serve index for urls
+USER root
+RUN sed -i -r '/404.html;/a\    error_page  404              /404.html;' /etc/nginx/conf.d/default.conf
+RUN sed -i -r '/^server \{.*/a     absolute_redirect off;' /etc/nginx/conf.d/default.conf
+USER 100
+COPY --link ./public /srv