add dockerfile for cachet

Dockerfile

@@ -0,0 +1,49 @@
+FROM php:5.4-apache
+
+# before building
+# run npm install
+# run node_modules/.bin/bower install
+# run node_modules/.bin/gulp
+
+ENV DB_DRIVER=mysql \
+    ENV=production \
+    DB_DATABASE=cachet \
+    DB_HOST= \
+    DB_USERNAME= \
+    DB_PASSWORD=
+COPY . /var/www/html/
+WORKDIR /var/www/html/
+
+# ensure the assets have been compiled
+RUN for d in public/{build,css,js} ; do test ! -d public/build && \
+  echo "Run 'gulp' before building container" >&2 && exit 1 || : ; done
+
+RUN apt-get update && \
+  apt-get install -y curl libmcrypt-dev zlib1g-dev libxml2-dev \
+  git sqlite libsqlite3-dev --no-install-recommends && \
+  rm -r /var/lib/apt/lists/*
+
+# hardcode the Illuminate key in app/config/app.php. If you want security, feel free
+# to override the key in your own container with a 'php artisan key:generate' :)
+RUN sed -i "s/'key' => '\w.*/'key' => 'f20d3e5ae02125a94bd60203a4edfbde',/" app/config/app.php && \
+    grep key app/config/app.php
+
+# Override the apache.conf in php:5.4-apache to point to the proper DocumentRoot
+# TODO this is pretty brittle and may break if php:5.4-apache changes
+RUN sed -i 's/^DocumentRoot .*/DocumentRoot \/var\/www\/html\/public/' /etc/apache2/apache2.conf && \
+    grep /var/www/html/public /etc/apache2/apache2.conf
+# public/.htaccess needs to use rewrite to let laravel do its thang
+RUN a2enmod rewrite
+
+# install dependencies. Note: PDO and XML are already in this base image
+RUN docker-php-ext-install zip && \
+    docker-php-ext-install mcrypt && \
+    docker-php-ext-install mbstring && \
+    docker-php-ext-install pdo_mysql
+RUN curl http://pecl.php.net/get/APC-3.1.13.tgz -o /usr/src/php/ext/apc.tar.gz && \
+    tar xzvf /usr/src/php/ext/apc.tar.gz -C /usr/src/php/ext && \
+    mv /usr/src/php/ext/APC-3.1.13 /usr/src/php/ext/apc && \
+    docker-php-ext-install apc
+RUN curl -sS https://getcomposer.org/installer | php
+RUN php composer.phar install --no-dev -o
+