Initial commit

.dockerignore

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+.gitea/

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false

.gitea/workflows/build-push.yaml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - main
+
+env:
+  REGISTRY: ${{ vars.REGISTRY || 'hub.bundespruefstelle.ch' }}
+  IMAGE_NAME: ${{ vars.IMAGE_NAME || github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha,prefix=
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            PHP_VERSION=8.4

Dockerfile

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+#syntax=docker/dockerfile:1
+
+ARG PHP_VERSION=8.4
+
+FROM wordpress:php${PHP_VERSION} AS upstream
+
+RUN pecl install redis apcu; \
+    docker-php-ext-enable redis apcu;
+
+FROM upstream AS runtime
+
+WORKDIR /var/www/html

README.md

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+# WordPress Docker Image
+
+Custom WordPress Docker image with Redis and APCu extensions for object caching.
+
+## Features
+
+- Based on official `wordpress:php8.4` image
+- Redis extension for external object caching
+- APCu extension for in-memory caching
+
+## Usage
+
+### Pull from Registry
+
+```bash
+docker pull your-registry.com/wordpress:latest
+```
+
+### Build Locally
+
+```bash
+docker build -t wordpress-custom .
+```
+
+### Run
+
+```bash
+docker run -d \
+  -p 8080:80 \
+  -e WORDPRESS_DB_HOST=db \
+  -e WORDPRESS_DB_USER=wordpress \
+  -e WORDPRESS_DB_PASSWORD=secret \
+  -e WORDPRESS_DB_NAME=wordpress \
+  wordpress-custom
+```
+
+### Docker Compose Example
+
+```yaml
+services:
+  wordpress:
+    build: .
+    ports:
+      - "8080:80"
+    environment:
+      WORDPRESS_DB_HOST: db
+      WORDPRESS_DB_USER: wordpress
+      WORDPRESS_DB_PASSWORD: secret
+      WORDPRESS_DB_NAME: wordpress
+    depends_on:
+      - db
+      - redis
+
+  db:
+    image: mariadb:11
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: wordpress
+      MYSQL_USER: wordpress
+      MYSQL_PASSWORD: secret
+
+  redis:
+    image: redis:7-alpine
+```
+
+## Build Arguments
+
+| Argument      | Default | Description        |
+| ------------- | ------- | ------------------ |
+| `PHP_VERSION` | `8.4`   | PHP version to use |
+
+```bash
+docker build --build-arg PHP_VERSION=8.3 -t wordpress-custom .
+```
+
+## CI/CD
+
+This repository includes a Gitea Actions workflow that automatically builds and pushes the image.
+
+### Required Secrets
+
+| Secret              | Description                       |
+| ------------------- | --------------------------------- |
+| `REGISTRY_USERNAME` | Container registry username       |
+| `REGISTRY_PASSWORD` | Container registry password/token |
+
+### Optional Variables
+
+| Variable     | Default             | Description            |
+| ------------ | ------------------- | ---------------------- |
+| `REGISTRY`   | `gitea.example.com` | Container registry URL |
+| `IMAGE_NAME` | Repository name     | Custom image name      |
+
+### Trigger Events
+
+- Push to `main` or `master` branch
+- Version tags (`v*`)
+- Pull requests (build only, no push)