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@@ -49,7 +49,7 @@ RUN docker-php-source extract \
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### PHP Core Extensions
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-For example, if you want to have a PHP-FPM image with `iconv` and `gd` extensions, you can inherit the base image that you like, and write your own `Dockerfile` like this:
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+For example, if you want to have a PHP-FPM image with `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 %%IMAGE%%:7.2-fpm
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@@ -57,7 +57,6 @@ 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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libpng-dev \
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- && docker-php-ext-install -j$(nproc) iconv \
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&& docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
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&& docker-php-ext-install -j$(nproc) gd
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```
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@@ -66,6 +65,10 @@ Remember, you must install dependencies for your extensions manually. If an exte
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See ["Dockerizing Compiled Software"](https://tianon.xyz/post/2017/12/26/dockerize-compiled-software.html) for a description of the technique Tianon uses for determining the necessary build-time dependencies for any bit of software (which applies directly to compiling PHP extensions).
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+### Default extensions
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+
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+Some extensions are compiled by default. This depends on the PHP version you are using. Run `php -m` in the container to get a list for your specific version.
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+
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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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J0WI