diff --git a/Dockerfile b/Dockerfile
index 91dba03..0a8270f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,11 @@
 FROM node:18-alpine
 # From https://github.com/pnpm/pnpm/issues/4837
 
-EXPOSE 8890/udp
+# UDP host for remote address registration
+EXPOSE 8809/udp
+# TCP host for commands
+EXPOSE 8890/tcp
+# HTTP host for Prometheus metrics
 EXPOSE 8891/tcp
 
 COPY . noray
@@ -16,7 +20,7 @@ RUN npm i -g npm@latest; \
  mkdir -p /usr/local/share/pnpm &&\
  export PNPM_HOME="/usr/local/share/pnpm" &&\
  export PATH="$PNPM_HOME:$PATH"; \
- pnpm bin -g &&\
+ pnpm bin -g && \
  # Install dependencies
  pnpm install
 
diff --git a/package.json b/package.json
index 49fe6b9..173ee11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@foxssake/noray",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "Online multiplayer orchestrator and potential game platform",
   "main": "src/noray.mjs",
   "bin": {