diff --git a/composer/content.md b/composer/content.md index dd893a379..15b0acb19 100644 --- a/composer/content.md +++ b/composer/content.md @@ -23,7 +23,8 @@ $ docker run --rm --interactive --tty \ You can bind mount the Composer home directory from your host to the container to enable a persistent cache or share global configuration: ```console -$ docker run --rm --interactive --tty \ +$ COMPOSER_HOME=$HOME/.composer \ + docker run --rm --interactive --tty \ --volume $PWD:/app \ --volume $COMPOSER_HOME:/tmp \ %%IMAGE%% install @@ -85,48 +86,39 @@ $ docker run --rm --interactive --tty \ # Troubleshooting -### PHP versions +### PHP version & extensions -Our image is aimed at quickly running Composer without the need for having a PHP runtime installed. You should not rely on the PHP version in our container. We do not provide a Composer image for each supported PHP version because we do not want to encourage using Composer as a base image or a production image. +Our image is aimed at quickly running Composer without the need for having a PHP runtime installed on your host. You should not rely on the PHP version in our container. We do not provide a Composer image for each supported PHP version because we do not want to encourage using Composer as a base image or a production image. + +We try to deliver an image that is as lean as possible, built for running Composer only. Sometimes dependencies or Composer [scripts](https://getcomposer.org/doc/articles/scripts.md) require the availability of certain PHP extensions. Suggestions: -- use [`--ignore-platform-reqs`](https://getcomposer.org/doc/03-cli.md#install-i): - - ```console - $ composer install --ignore-platform-reqs - ``` - -- specify the target [platform](https://getcomposer.org/doc/06-config.md#platform) in your `composer.json`: - - ```json - { - "config": { - "platform": { - "php": "7.1.3" - } - } - } - ``` - -### PHP extensions - -We aim to deliver an image that is as lean as possible, built for running Composer only. Sometimes dependencies or Composer [scripts](https://getcomposer.org/doc/articles/scripts.md) require the availability of certain PHP extensions. - -Suggestions: - -- pass the `--ignore-platform-reqs` and / or `--no-scripts` flags to `install` or `update`: - - ```console - $ docker run --rm --interactive --tty \ - --volume $PWD:/app \ - %%IMAGE%% install --ignore-platform-reqs --no-scripts - ``` - -- create your own buid image and [install](https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md) Composer inside it. +- (optimal) create your own build image and [install](https://getcomposer.org/doc/faqs/how-to-install-composer-programmatically.md) Composer inside it. **Note:** Docker 17.05 introduced [multi-stage builds](https://docs.docker.com/develop/develop-images/multistage-build/), simplifying this enormously: ```dockerfile COPY --from=%%IMAGE%% /usr/bin/composer /usr/bin/composer ``` + +- (alternatively) specify the target [platform](https://getcomposer.org/doc/06-config.md#platform) / extension(s) in your `composer.json`: + + ```json + { + "config": { + "platform": { + "php": "MAJOR.MINOR.PATCH", + "ext-something": "1" + } + } + } + ``` + +- (discouraged) pass the [`--ignore-platform-reqs`](https://getcomposer.org/doc/03-cli.md#install-i) and / or `--no-scripts` flags to `install` or `update`: + + ```console + $ docker run --rm --interactive --tty \ + --volume $PWD:/app \ + %%IMAGE%% install --ignore-platform-reqs --no-scripts + ``` diff --git a/composer/maintainer.md b/composer/maintainer.md index fc16200d5..0d21146de 100644 --- a/composer/maintainer.md +++ b/composer/maintainer.md @@ -1 +1 @@ -[Composer](%%GITHUB-REPO%%) +[Rob Bast](https://github.com/alcohol), with [contributions](%%GITHUB-REPO%%/graphs/contributors) from the community.