use dynamic port for heroku mode

Dockerfile

@@ -21,7 +21,7 @@ ENV XDG_CONFIG_HOME=/app/.caddy/config
 
 ADD install.sh aria2c.sh caddy.sh Procfile init.sh start.sh rclone.sh /app/
 ADD conf /app/conf
-ADD Caddyfile SecureCaddyfile /usr/local/caddy/
+ADD Caddyfile SecureCaddyfile HerokuCaddyfile /usr/local/caddy/
 
 RUN ./install.sh
 

HerokuCaddyfile

@@ -0,0 +1,36 @@
+{
+  debug
+  admin off
+  auto_https off
+}
+
+:CADDY_HTTP_PORT
+
+basicauth / {
+  ARIA2_USER ARIA2_PWD_ENCRYPT
+}
+
+redir /ui / 301
+redir /ui/ / 301
+redir /rclone /rclone/ 301
+redir /files /files/ 301
+
+reverse_proxy /jsonrpc 127.0.0.1:6800
+
+route /rclone/* {
+  uri strip_prefix /rclone
+  reverse_proxy 127.0.0.1:5572
+}
+
+route /files/* {
+  uri strip_prefix /files
+  reverse_proxy 127.0.0.1:8080
+}
+
+root * /usr/local/www/aria2
+file_server
+
+encode gzip
+log {
+  output stderr
+}

SecureCaddyfile

@@ -1,6 +1,3 @@
-#{
-#  auto_https off
-#}
 
 {$DOMAIN}
 

caddy.sh

@@ -1,17 +1,31 @@
 #! /bin/bash -eu
 
 echo "Run aria2c and ariaNG"
-if [ "$ENABLE_AUTH" = "true" ]; then
+
+echo "**** Generate basic auth password for caddy ****"
+ARIA2_PWD_ENCRYPT=$(caddy hash-password -plaintext ${ARIA2_PWD})
+
+case $ENABLE_AUTH in
+true)
   echo "Using Basic Auth config file "
   export CADDY_FILE=/usr/local/caddy/SecureCaddyfile
+  sed -i 's/ARIA2_USER/'"${ARIA2_USER}"'/g' ${CADDY_FILE}
+  sed -i 's/ARIA2_PWD_ENCRYPT/'"${ARIA2_PWD_ENCRYPT}"'/g' ${CADDY_FILE}
+  ;;
 
-  echo "**** generate basic auth password for caddy ****"
-  ARIA2_PWD_ENCRYPT=`caddy hash-password -plaintext ${ARIA2_PWD}`
-  sed -i 's/ARIA2_USER/'"${ARIA2_USER}"'/g' /usr/local/caddy/SecureCaddyfile
-  sed -i 's/ARIA2_PWD_ENCRYPT/'"${ARIA2_PWD_ENCRYPT}"'/g' /usr/local/caddy/SecureCaddyfile
-else
+heroku)
+  echo "Running in Heroku mode"
+  export CADDY_FILE=/usr/local/caddy/HerokuCaddyfile
+  sed -i 's/ARIA2_USER/'"${ARIA2_USER}"'/g' ${CADDY_FILE}
+  sed -i 's/ARIA2_PWD_ENCRYPT/'"${ARIA2_PWD_ENCRYPT}"'/g' ${CADDY_FILE}
+
+  sed -i 's/CADDY_HTTP_PORT/'"${CADDY_HTTP_PORT}"'/g' ${CADDY_FILE}
+
+  ;;
+*)
   echo "Using caddy without Basic Auth"
   export CADDY_FILE=/usr/local/caddy/Caddyfile
-fi
+  ;;
+esac
 
 /usr/local/bin/caddy run -config ${CADDY_FILE} -adapter=caddyfile

install.sh

@@ -2,7 +2,7 @@
 
 echo "Set variables for $(arch)"
 
-caddy_version=2.3.0
+caddy_version=2.4.1
 filebrowser_version=v2.15.0
 rclone_version=v1.55.0
 ariang_version=1.2.1