Add php container

Signed-off-by: Liu Jianjun <jianjun.liu@intel.com>

.travis.yml

@@ -15,6 +15,7 @@ env:
   - DOCKERFILE_DIR=memcached
   - DOCKERFILE_DIR=mixer-ci
   - DOCKERFILE_DIR=nginx
+  - DOCKERFILE_DIR=php
   - DOCKERFILE_DIR=postgres
   - DOCKERFILE_DIR=python
   - DOCKERFILE_DIR=redis

php/Dockerfile

@@ -0,0 +1,10 @@
+FROM clearlinux:latest
+MAINTAINER jianjun.liu@intel.com
+
+ARG swupd_args
+
+RUN swupd update $swupd_args \
+	&& swupd bundle-add php-basic $swupd_args \
+	&& rm -rf /var/lib/swupd/*
+
+CMD ["php","-a"]

php/README.md

@@ -0,0 +1,43 @@
+php
+==========
+This provides a Clear Linux* php basic cli instance.
+
+Build
+-----
+```
+docker build -t clearlinux/php .
+```
+
+Or just pull it from Dockerhub
+---------------------------
+```
+docker pull clearlinux/php
+```
+
+start a php instance
+-----------------------
+```
+docker run --name some-php clearlinux/php
+```
+
+Run my own php instance
+-----------------------
+Create a Dockerfile in your own php project
+```
+FROM clearlinux/php:latest
+COPY . /usr/src/myphpapp
+WORKDIR /usr/src/myphpapp
+CMD [ "php", "./my-script.php" ]
+```
+
+Then, run the commands to build and run the Docker image:
+```
+$ docker build -t my-own-php-instance .
+$ docker run -it --rm --name my-running-php my-own-php-instance
+```
+
+Extra Build ARGs
+----------------
+- ``swupd_args`` Specifies [SWUPD](https://clearlinux.org/documentation/swupdate_how_to_run_the_updater.html) flags
+
+Default build args in Docker are on: https://docs.docker.com/engine/reference/builder/#arg

php/helloworld.php

@@ -0,0 +1 @@
+<?php print "Hello World!\n"; ?>