add dockerfile

Dockerfile

@@ -1,13 +1,21 @@
-FROM php:7.1.3
-RUN apt-get update -y && apt-get install -y openssl zip unzip git zlib1g-dev netcat mysql-client libgd-dev libfreetype6-dev libjpeg62-turbo-dev libpng12-dev
-RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/
-RUN docker-php-ext-install pdo pdo_mysql zip gd
-WORKDIR /app
-COPY . /app
-RUN composer install
+# Set the base image for subsequent instructions
+FROM php:7.1
 
-COPY wait.sh /usr/local/bin/wait.sh
-RUN chmod +x /usr/local/bin/wait.sh
-CMD /usr/local/bin/wait.sh && composer dumpautoload && php artisan migrate && php artisan db:seed && php artisan serve --host=0.0.0.0 --port=8000
-EXPOSE 8000
+# Update packages
+RUN apt-get update
+
+# Install PHP and composer dependencies
+RUN apt-get install -qq git curl libmcrypt-dev libjpeg-dev libpng-dev libfreetype6-dev libbz2-dev
+
+# Clear out the local repository of retrieved package files
+RUN apt-get clean
+
+# Install needed extensions
+# Here you can install any other extension that you need during the test and deployment process
+RUN docker-php-ext-install mcrypt pdo_mysql zip
+
+# Install Composer
+RUN curl --silent --show-error https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+
+# Install Laravel Envoy
+RUN composer global require "laravel/envoy=~1.0"