Update 'Dockerfile'

Dockerfile

@@ -1,6 +1,7 @@
 FROM mcr.microsoft.com/powershell:ubuntu-bionic
 
 ARG DEBIAN_FRONTEND=noninteractive
+ARG PHP_VERSION=7.3
 
 COPY init/entrypoint.sh /usr/local/bin
 
@@ -12,22 +13,24 @@ RUN chmod +x /usr/local/bin/entrypoint.sh && \
     add-apt-repository ppa:ondrej/php && \
     apt-get install -y --no-install-recommends \
       lighttpd \
-      php7.3-cgi \
-      php7.3-common \
-      php7.3-curl \
-      php7.3-gd \
-      php7.3-json \
-      php7.3-ldap \
-      php7.3-pdo \
-      php7.3-sqlite3 \
-#      php7.3-session \
-      php7.3-xmlrpc && \
+      php$PHP_VERSION-cgi \
+      php$PHP_VERSION-common \
+      php$PHP_VERSION-curl \
+      php$PHP_VERSION-gd \
+      php$PHP_VERSION-json \
+      php$PHP_VERSION-ldap \
+      php$PHP_VERSION-pdo \
+      php$PHP_VERSION-sqlite3 \
+#      php$PHP_VERSION-session \
+      php$PHP_VERSION-xmlrpc && \
     # Enable PHP
     lighttpd-enable-mod fastcgi-php && \
     # Include vhost's
     sed -i -e '$a\' -e 'include_shell "cat /etc/lighttpd/vhosts.d/*.conf"' /etc/lighttpd/lighttpd.conf && \
     # Enable browscap
-    sed -i -e 's/;browscap /browscap /' /etc/php/cgi/php.ini && \
+    sed -i -e 's/;browscap /browscap /' /etc/php/$PHP_VERSION/cgi/php.ini && \
+    mkdir /etc/php/$PHP_VERSION/cgi/extra &&
+    curl -Ls https://browscap.org/stream?q=Lite_PHP_BrowsCapINI -o /etc/php/$PHP_VERSION/cgi/extra/browscap.ini && \
     mkdir -p /run/lighttpd/ && chown www-data /run/lighttpd/ && \
     apt-get remove -y \
       libterm-readline-gnu-perl \