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docker-php-extension-installer
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Improve installation instructions

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Michele Locati 2021-09-22 08:44:56 +02:00
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README.md
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@ -16,10 +16,12 @@ See also the notes in the [Special requirements](#special-requirements) section.
You have two ways to use this script within your `Dockerfile`s: you can download the script on the fly, or you can grab it from the [`mlocati/php-extension-installer` Docker Hub image](https://hub.docker.com/r/mlocati/php-extension-installer). You have two ways to use this script within your `Dockerfile`s: you can download the script on the fly, or you can grab it from the [`mlocati/php-extension-installer` Docker Hub image](https://hub.docker.com/r/mlocati/php-extension-installer).
With the first method you are sure you'll always get the very latest version of the script, with the second method the process is faster since you'll use a local image. With the first method you are sure you'll always get the very latest version of the script, with the second method the process is faster since you'll use a local image.
For example, here are two `Dockerfile`s that install the GD and xdebug PHP extensions: For example, here some `Dockerfile`s that install the GD and xdebug PHP extensions:
### Downloading the script on the fly ### Downloading the script on the fly
#### With the Dockerfile
```Dockerfile ```Dockerfile
FROM php:7.2-cli FROM php:7.2-cli
@ -29,6 +31,18 @@ RUN chmod +x /usr/local/bin/install-php-extensions && \
install-php-extensions gd xdebug install-php-extensions gd xdebug
``` ```
#### With curl
```Dockerfile
FROM php:7.2-cli
RUN curl -sSLf \
-o /usr/local/bin/install-php-extensions \
https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions && \
chmod +x /usr/local/bin/install-php-extensions && \
install-php-extensions gd xdebug
```
### Copying the script from a Docker image ### Copying the script from a Docker image
```Dockerfile ```Dockerfile
@ -39,16 +53,13 @@ COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr
RUN install-php-extensions gd xdebug RUN install-php-extensions gd xdebug
``` ```
#### *Beware* > **Warning**: by using this method you may use an outdated version of the `mlocati/php-extension-installer` image.
>
*When building locally, be sure you have the latest version of the `mlocati/php-extension-installer` image by running:* > In order to be sure the `COPY` instruction uses the very latest version, you can run:
>
```sh > ```sh
docker pull mlocati/php-extension-installer > docker pull mlocati/php-extension-installer
``` > ```
*otherwise the `COPY` instruction could use a previously downloaded, outdated version of the image stored in the local docker cache.*
### Installing specific versions of an extension ### Installing specific versions of an extension
@ -402,7 +413,6 @@ Improve the GD and ZIP extensions
Test: gd+zip Test: gd+zip
``` ```
If your pull request contains multiple commits, we'll check the "Test:" message of every commit. If your pull request contains multiple commits, we'll check the "Test:" message of every commit.
If you want to stop parsing next commits, add `-STOP-` in the "Test:" line, for example: If you want to stop parsing next commits, add `-STOP-` in the "Test:" line, for example: