231 lines
14 KiB
Markdown
231 lines
14 KiB
Markdown
# Supported tags and respective `Dockerfile` links
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- [`7.1.0-cli`, `7.1-cli`, `7-cli`, `cli`, `7.1.0`, `7.1`, `7`, `latest` (*7.1/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.1/Dockerfile)
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- [`7.1.0-alpine`, `7.1-alpine`, `7-alpine`, `alpine` (*7.1/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.1/alpine/Dockerfile)
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- [`7.1.0-apache`, `7.1-apache`, `7-apache`, `apache` (*7.1/apache/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.1/apache/Dockerfile)
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- [`7.1.0-fpm`, `7.1-fpm`, `7-fpm`, `fpm` (*7.1/fpm/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.1/fpm/Dockerfile)
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- [`7.1.0-fpm-alpine`, `7.1-fpm-alpine`, `7-fpm-alpine`, `fpm-alpine` (*7.1/fpm/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.1/fpm/alpine/Dockerfile)
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- [`7.1.0-zts`, `7.1-zts`, `7-zts`, `zts` (*7.1/zts/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.1/zts/Dockerfile)
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- [`7.1.0-zts-alpine`, `7.1-zts-alpine`, `7-zts-alpine`, `zts-alpine` (*7.1/zts/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.1/zts/alpine/Dockerfile)
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- [`7.0.14-cli`, `7.0-cli`, `7.0.14`, `7.0` (*7.0/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.0/Dockerfile)
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- [`7.0.14-alpine`, `7.0-alpine` (*7.0/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.0/alpine/Dockerfile)
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- [`7.0.14-apache`, `7.0-apache` (*7.0/apache/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.0/apache/Dockerfile)
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- [`7.0.14-fpm`, `7.0-fpm` (*7.0/fpm/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.0/fpm/Dockerfile)
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- [`7.0.14-fpm-alpine`, `7.0-fpm-alpine` (*7.0/fpm/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.0/fpm/alpine/Dockerfile)
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- [`7.0.14-zts`, `7.0-zts` (*7.0/zts/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/7.0/zts/Dockerfile)
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- [`7.0.14-zts-alpine`, `7.0-zts-alpine` (*7.0/zts/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/7.0/zts/alpine/Dockerfile)
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- [`5.6.29-cli`, `5.6-cli`, `5-cli`, `5.6.29`, `5.6`, `5` (*5.6/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/5.6/Dockerfile)
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- [`5.6.29-alpine`, `5.6-alpine`, `5-alpine` (*5.6/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/5.6/alpine/Dockerfile)
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- [`5.6.29-apache`, `5.6-apache`, `5-apache` (*5.6/apache/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/5.6/apache/Dockerfile)
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- [`5.6.29-fpm`, `5.6-fpm`, `5-fpm` (*5.6/fpm/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/5.6/fpm/Dockerfile)
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- [`5.6.29-fpm-alpine`, `5.6-fpm-alpine`, `5-fpm-alpine` (*5.6/fpm/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/5.6/fpm/alpine/Dockerfile)
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- [`5.6.29-zts`, `5.6-zts`, `5-zts` (*5.6/zts/Dockerfile*)](https://github.com/docker-library/php/blob/b66c0fa0286d0abbb8a36653e26e6992bb71b858/5.6/zts/Dockerfile)
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- [`5.6.29-zts-alpine`, `5.6-zts-alpine`, `5-zts-alpine` (*5.6/zts/alpine/Dockerfile*)](https://github.com/docker-library/php/blob/3ac528cf10d42f3f47dcb9ded3477781fb11f714/5.6/zts/alpine/Dockerfile)
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For more information about this image and its history, please see [the relevant manifest file (`library/php`)](https://github.com/docker-library/official-images/blob/master/library/php). This image is updated via [pull requests to the `docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images/pulls?q=label%3Alibrary%2Fphp).
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For detailed information about the virtual/transfer sizes and individual layers of each of the above supported tags, please see [the `repos/php/tag-details.md` file](https://github.com/docker-library/repo-info/blob/master/repos/php/tag-details.md) in [the `docker-library/repo-info` GitHub repo](https://github.com/docker-library/repo-info).
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# What is PHP?
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PHP is a server-side scripting language designed for web development, but which can also be used as a general-purpose programming language. PHP can be added to straight HTML or it can be used with a variety of templating engines and web frameworks. PHP code is usually processed by an interpreter, which is either implemented as a native module on the web-server or as a common gateway interface (CGI).
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> [wikipedia.org/wiki/PHP](http://en.wikipedia.org/wiki/PHP)
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# How to use this image.
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## With Command Line
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For PHP projects run through the command line interface (CLI), you can do the following.
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### Create a `Dockerfile` in your PHP project
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```dockerfile
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FROM php:7.0-cli
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COPY . /usr/src/myapp
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WORKDIR /usr/src/myapp
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CMD [ "php", "./your-script.php" ]
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```
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Then, run the commands to build and run the Docker image:
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```console
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$ docker build -t my-php-app .
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$ docker run -it --rm --name my-running-app my-php-app
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```
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### Run a single PHP script
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For many simple, single file projects, you may find it inconvenient to write a complete `Dockerfile`. In such cases, you can run a PHP script by using the PHP Docker image directly:
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```console
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$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp php:7.0-cli php your-script.php
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```
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## With Apache
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More commonly, you will probably want to run PHP in conjunction with Apache httpd. Conveniently, there's a version of the PHP container that's packaged with the Apache web server.
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### Create a `Dockerfile` in your PHP project
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```dockerfile
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FROM php:7.0-apache
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COPY src/ /var/www/html/
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```
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Where `src/` is the directory containing all your PHP code. Then, run the commands to build and run the Docker image:
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```console
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$ docker build -t my-php-app .
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$ docker run -d --name my-running-app my-php-app
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```
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We recommend that you add a custom `php.ini` configuration. `COPY` it into `/usr/local/etc/php` by adding one more line to the Dockerfile above and running the same commands to build and run:
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```dockerfile
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FROM php:7.0-apache
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COPY config/php.ini /usr/local/etc/php/
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COPY src/ /var/www/html/
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```
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Where `src/` is the directory containing all your PHP code and `config/` contains your `php.ini` file.
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### How to install more PHP extensions
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We provide the helper scripts `docker-php-ext-configure`, `docker-php-ext-install`, and `docker-php-ext-enable` to more easily install PHP extensions.
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In order to keep the images smaller, PHP's source is kept in a compressed tar file. To facilitate linking of PHP's source with any extension, we also provide the helper script `docker-php-source` to easily extract the tar or delete the extracted source. Note: if you do use `docker-php-source` to extract the source, be sure to delete it in the same layer of the docker image.
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```Dockerfile
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FROM php:7.0-apache
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RUN docker-php-source extract \
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# do important things \
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&& docker-php-source delete
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```
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#### PHP Core Extensions
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For example, if you want to have a PHP-FPM image with `iconv`, `mcrypt` and `gd` extensions, you can inherit the base image that you like, and write your own `Dockerfile` like this:
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```dockerfile
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FROM php:7.0-fpm
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RUN apt-get update && apt-get install -y \
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libfreetype6-dev \
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libjpeg62-turbo-dev \
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libmcrypt-dev \
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libpng12-dev \
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&& docker-php-ext-install -j$(nproc) iconv mcrypt \
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&& docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
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&& docker-php-ext-install -j$(nproc) gd
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```
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Remember, you must install dependencies for your extensions manually. If an extension needs custom `configure` arguments, you can use the `docker-php-ext-configure` script like this example. There is no need to run `docker-php-source` manually in this case, since that is handled by the `configure` and `install` scripts.
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#### PECL extensions
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Some extensions are not provided with the PHP source, but are instead available through [PECL](https://pecl.php.net/). To install a PECL extension, use `pecl install` to download and compile it, then use `docker-php-ext-enable` to enable it:
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```dockerfile
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FROM php:7.1-fpm
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RUN pecl install redis-3.1.0 \
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&& pecl install xdebug-2.5.0 \
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&& docker-php-ext-enable redis xdebug
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```
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```dockerfile
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FROM php:5.6-fpm
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RUN apt-get update && apt-get install -y libmemcached-dev zlib1g-dev \
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&& pecl install memcached-2.2.0 \
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&& docker-php-ext-enable memcached
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```
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#### Other extensions
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Some extensions are not provided via either Core or PECL; these can be installed too, although the process is less automated:
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```dockerfile
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FROM php:5.6-apache
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RUN curl -fsSL 'https://xcache.lighttpd.net/pub/Releases/3.2.0/xcache-3.2.0.tar.gz' -o xcache.tar.gz \
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&& mkdir -p xcache \
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&& tar -xf xcache.tar.gz -C xcache --strip-components=1 \
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&& rm xcache.tar.gz \
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&& ( \
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cd xcache \
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&& phpize \
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&& ./configure --enable-xcache \
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&& make -j$(nproc) \
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&& make install \
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) \
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&& rm -r xcache \
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&& docker-php-ext-enable xcache
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```
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The `docker-php-ext-*` scripts *can* accept an arbitrary path, but it must be absolute (to disambiguate from built-in extension names), so the above example could also be written as the following:
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```dockerfile
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FROM php:5.6-apache
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RUN curl -fsSL 'https://xcache.lighttpd.net/pub/Releases/3.2.0/xcache-3.2.0.tar.gz' -o xcache.tar.gz \
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&& mkdir -p /tmp/xcache \
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&& tar -xf xcache.tar.gz -C /tmp/xcache --strip-components=1 \
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&& rm xcache.tar.gz \
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&& docker-php-ext-configure /tmp/xcache --enable-xcache \
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&& docker-php-ext-install /tmp/xcache \
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&& rm -r /tmp/xcache
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```
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### Without a `Dockerfile`
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If you don't want to include a `Dockerfile` in your project, it is sufficient to do the following:
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```console
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$ docker run -d -p 80:80 --name my-apache-php-app -v "$PWD":/var/www/html php:7.0-apache
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```
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# Image Variants
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The `php` images come in many flavors, each designed for a specific use case.
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## `php:<version>`
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This is the defacto image. If you are unsure about what your needs are, you probably want to use this one. It is designed to be used both as a throw away container (mount your source code and start the container to start your app), as well as the base to build other images off of.
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## `php:alpine`
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This image is based on the popular [Alpine Linux project](http://alpinelinux.org), available in [the `alpine` official image](https://hub.docker.com/_/alpine). Alpine Linux is much smaller than most distribution base images (~5MB), and thus leads to much slimmer images in general.
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This variant is highly recommended when final image size being as small as possible is desired. The main caveat to note is that it does use [musl libc](http://www.musl-libc.org) instead of [glibc and friends](http://www.etalabs.net/compare_libcs.html), so certain software might run into issues depending on the depth of their libc requirements. However, most software doesn't have an issue with this, so this variant is usually a very safe choice. See [this Hacker News comment thread](https://news.ycombinator.com/item?id=10782897) for more discussion of the issues that might arise and some pro/con comparisons of using Alpine-based images.
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To minimize image size, it's uncommon for additional related tools (such as `git` or `bash`) to be included in Alpine-based images. Using this image as a base, add the things you need in your own Dockerfile (see the [`alpine` image description](https://hub.docker.com/_/alpine/) for examples of how to install packages if you are unfamiliar).
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# License
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View [license information](http://php.net/license/) for the software contained in this image.
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# Supported Docker versions
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This image is officially supported on Docker version 1.12.6.
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Support for older versions (down to 1.6) is provided on a best-effort basis.
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Please see [the Docker installation documentation](https://docs.docker.com/installation/) for details on how to upgrade your Docker daemon.
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# User Feedback
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## Issues
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If you have any problems with or questions about this image, please contact us through a [GitHub issue](https://github.com/docker-library/php/issues). If the issue is related to a CVE, please check for [a `cve-tracker` issue on the `official-images` repository first](https://github.com/docker-library/official-images/issues?q=label%3Acve-tracker).
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You can also reach many of the official image maintainers via the `#docker-library` IRC channel on [Freenode](https://freenode.net).
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## Contributing
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You are invited to contribute new features, fixes, or updates, large or small; we are always thrilled to receive pull requests, and do our best to process them as fast as we can.
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Before you start to code, we recommend discussing your plans through a [GitHub issue](https://github.com/docker-library/php/issues), especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give you feedback on your design, and help you find out if someone else is working on the same thing.
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## Documentation
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Documentation for this image is stored in the [`php/` directory](https://github.com/docker-library/docs/tree/master/php) of the [`docker-library/docs` GitHub repo](https://github.com/docker-library/docs). Be sure to familiarize yourself with the [repository's `README.md` file](https://github.com/docker-library/docs/blob/master/README.md) before attempting a pull request.
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