Dockerfile: run PeerServer with --debug

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/node:18.19.1 as build
+FROM docker.io/library/node:20.11.1 as build
 RUN mkdir /peer-server
 WORKDIR /peer-server
 COPY package.json package-lock.json ./
@@ -7,12 +7,12 @@ COPY . ./
 RUN npm run build
 RUN npm run test
 
-FROM docker.io/library/node:18.19.1-alpine as production
+FROM docker.io/library/node:20.11.1-alpine as production
 RUN mkdir /peer-server
 WORKDIR /peer-server
 COPY package.json package-lock.json ./
 RUN npm clean-install --omit=dev
 COPY --from=build /peer-server/dist/bin/peerjs.js ./
-ENV PORT 9000
+ENV PORT 443
 EXPOSE ${PORT}
-ENTRYPOINT ["node", "peerjs.js"]
+ENTRYPOINT ["node", "peerjs.js", "--port", "${PORT}", "--key", "peerjs", "--path", "/gamingcouch", "--debug"]