feat(build): add Docker image build

Dockerfile

@@ -0,0 +1,42 @@
+ARG VERSION="8.3"
+
+FROM php:${VERSION}-apache
+
+# Set the working directory in the container
+WORKDIR /var/www/html
+
+# Copy the code into the container
+COPY . .
+
+## Copy custom configurations
+COPY ./deployment/apache.conf /etc/apache2/sites-available/000-default.conf
+COPY ./deployment/php.ini /usr/local/etc/php/conf.d/custom-php.ini
+
+# Install PHP extensions and other dependencies
+RUN apt-get update && \
+    apt-get install -y wget libpq-dev libicu-dev && \
+    docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql && \
+    docker-php-ext-install intl opcache pgsql pdo pdo_pgsql && \
+    pecl install mongodb && \
+    docker-php-ext-enable mongodb && \
+    rm -rf /var/lib/apt/lists/* && \
+    a2enmod rewrite
+
+## Install composer
+RUN wget https://getcomposer.org/installer && \
+    php installer --install-dir=/usr/local/bin/ --filename=composer && \
+    rm installer
+
+## Install application dependencies
+ENV APP_ENV=prod
+RUN composer install --no-dev --no-interaction --optimize-autoloader
+
+## Change files owner to apache default user
+RUN chown -R www-data:www-data /var/www/html
+
+## Cleanup
+RUN composer dump-autoload --no-dev --classmap-authoritative && \
+    rm /usr/local/bin/composer
+
+# Expose the port Apache listens on
+EXPOSE 80

README.md

@@ -5,5 +5,10 @@ External data collection service from [Waistline](https://github.com/davidhealey
 ## Stack
 - **Framework**: [Symfony](https://symfony.com/)
 
+## Build custom Docker image
+```
+docker build -t waistline-api:latest .
+```
+
 ## License
 See the [LICENSE](LICENSE.md) file for license rights and limitations (MIT).

deployment/apache.conf

@@ -0,0 +1,13 @@
+ServerName localhost
+<VirtualHost *:80>
+    DocumentRoot /var/www/html/public
+
+    <Directory /var/www/html/public>
+        Require all granted
+        DirectoryIndex index.php
+        AllowOverride All
+    </Directory>
+
+    ErrorLog /var/log/apache2/waistline-api_error.log
+    CustomLog /var/log/apache2/waistline-api_access.log combined
+</VirtualHost>

deployment/php.ini

@@ -0,0 +1,25 @@
+; general configuration
+memory_limit = 256M
+error_reporting = E_ERROR
+expose_php = 0
+date.timezone = UTC
+session.use_strict_mode = 1
+
+; https://symfony.com/doc/current/performance.html
+; Use the OPcache class preloading
+opcache.preload = /var/www/html/config/preload.php
+; required for opcache.preload:
+opcache.preload_user = www-data
+; maximum memory that OPcache can use to store compiled PHP files
+opcache.memory_consumption = 256
+; maximum number of files that can be stored in the cache
+opcache.max_accelerated_files = 20000
+; amount of memory used to store interned strings
+opcache.interned_strings_buffer = 16
+; check for whether a file has already been cached
+opcache.enable_file_override = 1
+
+; maximum memory allocated to store the results
+realpath_cache_size = 4096K
+; save the results for 10 minutes (600 seconds)
+realpath_cache_ttl = 600