fix startup and drop 18.12 tag build

.drone.yml

@@ -18,5 +18,4 @@ pipeline:
 matrix:
   TTRSS_GIT_TAG:
     - master
-    - 18.12
     - 19.2

Dockerfile

@@ -13,6 +13,9 @@ RUN apt-get update && apt-get install -y \
   php7.2-json \
   php7.2-pgsql \
   php7.2-mysql \
+  php7.2-intl \
+  php7.2-mbstring \
+  php7.2-xml \
   curl \
   && apt-get clean && rm -rf /var/lib/apt/lists/*
 
@@ -31,8 +34,9 @@ WORKDIR /var/www
 #    && apt-get purge -y --auto-remove curl \
 
 RUN curl -SL https://git.tt-rss.org/git/tt-rss/archive/$TTRSS_GIT_TAG.tar.gz | tar xzC /var/www --strip-components 1 \
+    && cp config.php-dist config.php \
     && chown www-data:www-data -R /var/www \
-    && cp config.php-dist config.php
+    && mkdir /var/run/php
 
 # expose only nginx HTTP port
 EXPOSE 80

supervisord.conf

@@ -1,8 +1,8 @@
 [supervisord]
 nodaemon=true
 
-[program:php5-fpm]
+[program:php-fpm7.2]
-command=/usr/sbin/php5-fpm --nodaemonize
+command=/usr/sbin/php-fpm7.2 --nodaemonize
 
 [program:nginx]
 command=/usr/sbin/nginx -g "daemon off;"