anchor.diff:  ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php${PHP_VERSION}"
   ENV TTRSS_LOG_DESTINATION="sql"
   
  +# set configuration to look at Docker ENV variables
  +# ADD config.docker.php config.php
  +
  +# patch configuration
  +RUN cp config.php-dist config.php
  +RUN sed -i "s/define('SESSION_COOKIE_LIFETIME', 86400);/define('SESSION_COOKIE_LIFETIME', ${TTRSS_SESSION_COOKIE_LIFETIME});/" config.php
  +
   # set permissions on directories
   RUN chown www-data:www-data -R /var/www && \ 
       chmod -R 777 ${TTRSS_CACHE_DIR}/images && \
  
positive.code:   php${PHP_VERSION}-intl php${PHP_VERSION}-xml php${PHP_VERSION}-curl \
    php${PHP_VERSION}-dom php${PHP_VERSION}-fileinfo php${PHP_VERSION}-iconv \
    php${PHP_VERSION}-posix php${PHP_VERSION}-zip \
    git nginx supervisor \
    && apt-get clean && rm -rf /var/lib/apt/lists/* && mkdir -p /var/run/php
  
  
negative.code: # expose only nginx HTTP port
  EXPOSE 80
  
  # set default settings
  ENV TTRSS_SELF_URL_PATH="http://localhost"
  ENV TTRSS_DB_NAME="ttrss"
  