make the image work again

Dockerfile

@@ -33,8 +33,9 @@ WORKDIR /var/www
 #RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y curl --no-install-recommends && rm -rf /var/lib/apt/lists/* \
 #    && apt-get purge -y --auto-remove curl \
 
-RUN curl -SL https://git.tt-rss.org/git/tt-rss/archive/$TTRSS_GIT_TAG.tar.gz | tar xzC /var/www --strip-components 1 \
-    && cp config.php-dist config.php \
+RUN curl -SL https://git.tt-rss.org/git/tt-rss/archive/$TTRSS_GIT_TAG.tar.gz | tar xzC /var/www --strip-components 1
+
+RUN cp config.php-dist config.php \
     && chown www-data:www-data -R /var/www \
     && mkdir /var/run/php
 

ttrss.nginx.conf

@@ -8,9 +8,20 @@ server {
 		try_files $uri $uri/ =404;
 	}
 
+	location ~ \.php$ {
+		fastcgi_split_path_info ^(.*\.php)(/.*)?$;
+		fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
+		fastcgi_index index.php;
+		include fastcgi_params;
+		fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+		fastcgi_intercept_errors off;
+		fastcgi_buffer_size 16k;
+		fastcgi_buffers 4 16k;
+	}
+
 	location ~ \.php$ {
 		fastcgi_split_path_info ^(.+\.php)(/.+)$;
-		fastcgi_pass unix:/var/run/php5-fpm.sock;
+		fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
 		fastcgi_index index.php;
 		include fastcgi_params;
 	}