ci: add automated docker build and deployment

.gitea/workflows/deploy.yml

@@ -0,0 +1,51 @@
+name: "Build and Deploy"
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths-ignore:
+      - .gitignore
+      - README.md
+      - LICENSE
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Allow one concurrent deployment
+concurrency:
+  group: "webpage"
+  cancel-in-progress: true
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          # submodules: true
+          # If using the 'assets' git submodule from Chirpy Starter, uncomment above
+          # (See: https://github.com/cotes2020/chirpy-starter/tree/main/assets)
+
+      - name: Login to Gitea Container Registry
+        run: |
+          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login ${CI_REGISTRY:-git.pixx.cz} \
+            -u "${{ secrets.REGISTRY_USERNAME }}" --password-stdin
+
+      - name: Build Docker image
+        run: |
+          echo "FROM nginx:alpine" > Dockerfile
+          echo "COPY . /usr/share/nginx/html" >> Dockerfile
+          docker build -t ${CI_REGISTRY_IMAGE:-git.pixx.cz/${{ gitea.repository }}}:${{ gitea.sha }} .
+
+
+      - name: Push Docker image
+        run: |
+          docker tag ${CI_REGISTRY_IMAGE:-git.pixx.cz/${{ gitea.repository }}}:${{ gitea.sha }} \
+            ${CI_REGISTRY_IMAGE:-git.pixx.cz/${{ gitea.repository }}}:latest
+          docker push ${CI_REGISTRY_IMAGE:-git.pixx.cz/${{ gitea.repository }}}:${{ gitea.sha }}
+          docker push ${CI_REGISTRY_IMAGE:-git.pixx.cz/${{ gitea.repository }}}:latest
+