Added Caddyfile, updates to readme.

Caddyfile

@@ -0,0 +1,3 @@
+localhost:2015
+fastcgi / 127.0.0.1:9000 php # php variant only
+startup php-fpm # php variant only

Dockerfile

@@ -1,5 +1,8 @@
 # using https://hub.docker.com/r/abiosoft/caddy/
 FROM abiosoft/caddy:php
 
+# load Caddyfile
+ADD Caddyfile /etc/Caddyfile
+
 # load in phpLiteAdmin code
 COPY . /srv

readme.md

@@ -22,9 +22,11 @@ Additional Configuration Options can be found in the [phpLiteAdmin README](phpLi
 Replace the `/path/to/db/directory` below with the actual path where your db is. 
 `$ docker run -it --rm -p 2015:2015 -v /path/to/db/directory:/db --name websql acttaiwan/phpliteadmin`
 
-`$ docker run -it --rm -p 2015:2015 -v $(pwd):/db --name websql acttaiwan/phpliteadmin`
-
 Access the admin page at http://localhost:2015/phpliteadmin.php
 
-## Let's Encrypt Auto SSL
+## Advanced Configuration
+### Caddyfile
+Port number, IP and other items can be set in the Caddyfile. See instructions on the [Caddy website](https://caddyserver.com/docs/caddyfile).
+
+### Let's Encrypt Auto SSL
 See the Docker hub [abiosoft/caddy](https://hub.docker.com/r/abiosoft/caddy/) page.