Allow dynamic Caddy port configuration

.gitignore

@@ -3,7 +3,9 @@ build
 cache
 stacks
 config.php
+Caddyfile
 .cache
 .config
 .local
 *.phar
+.phpunit.*

init.sh

@@ -21,6 +21,22 @@ echo "<?php return array(" \
 	" 'log.level' => Monolog\Logger::INFO, " \
     " ); " > config.php
 
+if [ ! -z $RUN_ON_HTTP_PORT ]; then
+	# We need to create a Caddyfile that exposes this port
+	echo "http://:$RUN_ON_HTTP_PORT {\n" \
+    	"	root * /www/public/\n" \
+    	"	php_fastcgi localhost:9000\n" \
+    	"	try_files {path} /index.php\n" \
+    	"	file_server\n" \
+    	"	header -Via {\n" \
+        "		defer\n" \
+    	"	}\n" \
+		"}\n" > Caddyfile
+	
+	echo "Configured an HTTP (unencrypted) webserver on port $RUN_ON_HTTP_PORT";
+fi
+
 # Make cache folder
+
 mkdir cache
 chown www-data:www-data cache