Bump php version to 7.3 as nginx uses buster and no stretch anymore

pica-dokuwiki/Dockerfile

@@ -9,18 +9,18 @@ RUN apt-get update -y && \
     apt-get install -y \
         wget \
         tar \
-        php7.0 \
-        php7.0-fpm \
-        php7.0-gd \
-	php7.0-ldap \
-        php7.0-xml && \
+        php7.3 \
+        php7.3-fpm \
+        php7.3-gd \
+	php7.3-ldap \
+        php7.3-xml && \
     mkdir -p html /var/run/php && \
-    echo "cgi.fix_pathinfo = 0;" >> /etc/php/7.0/fpm/php.ini && \
-    sed -i -e "s|;daemonize\s*=\s*yes|daemonize = no|g" /etc/php/7.0/fpm/php-fpm.conf && \
-    sed -i -e "s|listen\s*=\s*127\.0\.0\.1:9000|listen = /var/run/php-fpm7.sock|g" /etc/php/7.0/fpm/pool.d/www.conf && \
-    sed -i -e "s|;listen\.owner\s*=\s*|listen.owner = |g" /etc/php/7.0/fpm/pool.d/www.conf && \
-    sed -i -e "s|;listen\.group\s*=\s*|listen.group = |g" /etc/php/7.0/fpm/pool.d/www.conf && \
-    sed -i -e "s|;listen\.mode\s*=\s*|listen.mode = |g" /etc/php/7.0/fpm/pool.d/www.conf && \
+    echo "cgi.fix_pathinfo = 0;" >> /etc/php/7.3/fpm/php.ini && \
+    sed -i -e "s|;daemonize\s*=\s*yes|daemonize = no|g" /etc/php/7.3/fpm/php-fpm.conf && \
+    sed -i -e "s|listen\s*=\s*127\.0\.0\.1:9000|listen = /var/run/php-fpm7.sock|g" /etc/php/7.3/fpm/pool.d/www.conf && \
+    sed -i -e "s|;listen\.owner\s*=\s*|listen.owner = |g" /etc/php/7.3/fpm/pool.d/www.conf && \
+    sed -i -e "s|;listen\.group\s*=\s*|listen.group = |g" /etc/php/7.3/fpm/pool.d/www.conf && \
+    sed -i -e "s|;listen\.mode\s*=\s*|listen.mode = |g" /etc/php/7.3/fpm/pool.d/www.conf && \
     wget "https://download.dokuwiki.org/src/dokuwiki/dokuwiki-stable.tgz" && \
     tar -xzf dokuwiki-stable.tgz -C html --strip-components 1 && \
     rm -f dokuwiki-stable.tgz && \