Add Docker build for the test application

Author: scheb

.github/workflows/app.yaml

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+name: 'App Build'
+
+on:
+    workflow_run:
+        workflows: ['CI']
+        types:
+            - completed
+
+jobs:
+    build:
+        # Run only only the default branch and when the CI build was successful
+        if: ${{ github.ref_name == github.event.repository.default_branch && github.event.workflow_run.conclusion == 'success' }}
+        runs-on: ubuntu-latest
+        steps:
+            -   name: Checkout
+                uses: actions/checkout@v4
+
+            -   name: Login to Docker Hub
+                uses: docker/login-action@v3
+                with:
+                    username: ${{ secrets.DOCKERHUB_USERNAME }}
+                    password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+            -   id: meta
+                uses: docker/metadata-action@v5
+                with:
+                    images: scheb42/2fa-app
+                    tags: |
+                        type=sha
+                        type=ref,event=branch
+                        # set latest tag for default branch
+                        type=raw,value=latest,enable={{ is_default_branch }}
+
+            -   name: Build and push
+                uses: docker/build-push-action@v5
+                with:
+                    context: .
+                    file: app/Dockerfile
+                    tags: ${{ steps.meta.outputs.tags }}
+                    labels: ${{ steps.meta.outputs.labels }}
+                    push: true

app/Dockerfile

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+FROM phpdockerio/php:8.4-fpm
+WORKDIR /application
+
+# Install selected extensions and other stuff
+RUN apt-get update \
+    && apt-get -y --no-install-recommends install \
+        php8.4-sqlite \
+        php8.4-intl \
+        php8.4-gd \
+    && apt-get clean; rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/log/* /var/cache/* /usr/share/doc/*
+
+COPY app/bin/console      ./bin/
+COPY app/composer.*       ./
+COPY app/data             ./data
+COPY app/.env             ./.env
+COPY app/config           ./config
+COPY app/public/index.php ./public/
+COPY app/src              ./src
+COPY app/templates        ./templates
+COPY src                  ./../src
+
+RUN composer install --no-dev --no-scripts; \
+    composer clear-cache; \
+    composer dump-autoload --optimize --classmap-authoritative; \
+    bin/console cache:warmup; \
+    chown -R www-data:www-data ./var/; \
+    chown -R www-data:www-data ./data/

app/docker-compose.yaml

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+services:
+    webserver:
+        image: nginx:latest
+        ports:
+            - '8080:80'
+        volumes:
+            - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
+
+    php-fpm:
+        image: scheb42/2fa-app
+        build:
+            dockerfile: app/Dockerfile
+            context: ../

app/nginx.conf

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+server {
+    index index.php index.html;
+    server_name localhost;
+    error_log  /var/log/nginx/error.log;
+    access_log /var/log/nginx/access.log;
+    root /var/www/html;
+
+    location / {
+        fastcgi_split_path_info ^(.+\.php)(/.*)$;
+        fastcgi_pass php-fpm:9000;
+        fastcgi_index index.php;
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME /application/public/index.php;
+    }
+}