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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)