gcr.io/paketo-buildpacks/builder:full-cf
でPHPのアプリケーションのOCIイメージを作成します。
BuilderとStackを予めpullしておいてください。
docker pull gcr.io/paketo-buildpacks/builder:full-cf
docker pull gcr.io/paketo-buildpacks/run:full-cnb-cf
次のコマンドで"Hello World"アプリケーションを作成します。
mkdir -p hello-php/htdocs
cd hello-php
cat <<'EOF' > htdocs/index.php
<?php
echo 'Hello World!';
EOF
cat <<'EOF' > buildpack.yml
---
php:
webserver: nginx
EOF
ここではWebServerとしてNginxを使用します。その他Apache HTTPD、PHP Built-inサーバー(php -S
)が利用可能です。
pack build
コマンドでイメージを作成します。
pack build making/pack-php --no-pull --builder gcr.io/paketo-buildpacks/builder:full-cf
BuilderとStackを事前にpullしていない場合は
--no-pull
を外せば、ビルド時にBuilderとStackもpullしますが、ビルドが遅くなります。
次のようなログが出力されます。
===> DETECTING
[detector] 3 of 5 buildpacks participating
[detector] paketo-buildpacks/nginx 0.0.110
[detector] paketo-buildpacks/php-dist 0.0.135
[detector] paketo-buildpacks/php-web 0.0.93
===> ANALYZING
[analyzer] Previous image with name "index.docker.io/making/pack-php:latest" not found
===> RESTORING
===> BUILDING
[builder]
[builder] Nginx Server Buildpack 0.0.110
[builder] Nginx Server 1.17.9: Contributing to layer
[builder] Downloading from https://buildpacks.cloudfoundry.org/dependencies/nginx/nginx-1.17.9-linux-x64-cflinuxfs3-9efdb551.tgz
[builder] Verifying checksum
[builder] Expanding to /layers/paketo-buildpacks_nginx/nginx
[builder] Writing PATH to shared
[builder] Writing .profile.d/configure
[builder]
[builder] PHP Buildpack 0.0.135
[builder] PHP 7.2.29: Contributing to layer
[builder] Downloading from https://buildpacks.cloudfoundry.org/dependencies/php/php7-7.2.29-linux-x64-cflinuxfs3-8e1a95c6.tgz
[builder] Verifying checksum
[builder] Expanding to /layers/paketo-buildpacks_php-dist/php
[builder] Writing PATH to shared
[builder] Writing MIBDIRS to shared
[builder] Writing PHP_HOME to shared
[builder] Writing PHP_EXTENSION_DIR to shared
[builder] Writing PHP_API to shared
[builder]
[builder] PHP Web Buildpack 0.0.93
[builder] PHP Web 6d4a0ac65188b199a420a496562ed1df77b34275bfa7214e109078260b93d589: Contributing to layer
[builder] Configuring PHP Application
[builder] Using feature -- PHP
[builder] Writing PHPRC to shared
[builder] Writing PHP_INI_SCAN_DIR to shared
[builder] Using feature -- Nginx
[builder] Using feature -- PhpFpm
[builder] Using feature -- ProcMgr
[builder] Process types:
[builder] web: procmgr /layers/paketo-buildpacks_php-web/php-web/procs.yml
===> EXPORTING
[exporter] Adding layer 'launcher'
[exporter] Adding layer 'paketo-buildpacks/nginx:nginx'
[exporter] Adding layer 'paketo-buildpacks/php-dist:php'
[exporter] Adding layer 'paketo-buildpacks/php-web:php-web'
[exporter] Adding 1/1 app layer(s)
[exporter] Adding layer 'config'
[exporter] *** Images (799975538f0f):
[exporter] index.docker.io/making/pack-php:latest
[exporter] Adding cache layer 'paketo-buildpacks/nginx:9efdb55180b30ee47b9fb9d91d8c80ce4150ae551785954730cd7831c82142ea'
[exporter] Adding cache layer 'paketo-buildpacks/php-dist:8e1a95c6308179dae299af027e2cddcb94bac835910fad451641be8590be3038'
[exporter] Adding cache layer 'paketo-buildpacks/php-dist:php'
Successfully built image making/pack-php
pack build
時に--publish
オプションをつけると、Docker Registryでのpushを行います。事前にdocker login
が必要です。
作成したイメージをdocker run
で起動します。
docker run --rm -e PORT=8080 -p 8080:8080 making/pack-php
アプリケーションにアクセスします。
$ curl localhost:8080 -w '\n'
Hello World!
Docker Imageのサイズを確認します。
$ docker images | grep making/pack-php
making/pack-php latest 799975538f0f 40 years ago 1.3GB
pack inspect-image
でイメージを解析します。
$ pack inspect-image making/pack-php
Inspecting image: making/pack-php
REMOTE:
(not present)
LOCAL:
Stack: org.cloudfoundry.stacks.cflinuxfs3
Base Image:
Reference: 30c2fe64f46f987d570fddf1a9400c0e0f58eebe790f95557b9387e5dcfb08a2
Top Layer: sha256:70227f7df5ee235dae16d7b6ce4a23b03bb57cadd64a00740d590fb11bbae042
Run Images:
gcr.io/paketo-buildpacks/run:full-cnb-cf
Buildpacks:
ID VERSION
paketo-buildpacks/nginx 0.0.110
paketo-buildpacks/php-dist 0.0.135
paketo-buildpacks/php-web 0.0.93
Processes:
TYPE SHELL COMMAND ARGS
web (default) bash procmgr /layers/paketo-buildpacks_php-web/php-web/procs.yml
PHP Buildpackの細かい設定は https://github.com/paketo-buildpacks/php を確認してください。
おわったらDocker Imageを削除します。
docker rmi making/pack-php