change image to node:23 image

jitsi_admin_websocket_dockerfile.txt

@@ -1,4 +1,4 @@
-FROM erseco/alpine-php-webserver:3.20.5
+FROM node:23-alpine
 
 ARG VERSION
 
@@ -14,28 +14,20 @@ LABEL version="${VERSION}" \
     org.opencontainers.image.documentation="https://meetling.de" \
     org.opencontainers.image.url="https://jitsi-admin.de"
 
-USER root
-RUN apk --no-cache add \
-    unzip \
-    nodejs \
-    && rm -rf /var/cache/apk/*
+USER node
 
-RUN rm -r /etc/service/nginx \
-    && rm -r /etc/service/php
-
-RUN mkdir /etc/service/websocket \
-    && echo "#!/bin/sh -e" > /etc/service/websocket/run \
-    && echo "exec 2>&1 PORT=8080 /usr/bin/node ." >> /etc/service/websocket/run \
-    && chown -R nobody:nobody /etc/service/websocket \
-    && chmod +x /etc/service/websocket/run
+WORKDIR /usr/src/app
 
 RUN wget https://github.com/H2-invent/jitsi-admin/releases/download/${VERSION}/websocket.zip -O artifact.zip \
     && unzip artifact.zip \
     && chown -R nobody . \
-    && chmod -R 700 .
+    && chmod -R 700 . \
+    && rm artifact.zip
 
-RUN rm artifact.zip
+EXPOSE 3000
 
-USER nobody
+ENV WEBSOCKET_SECRET=CHANGEME
 
-HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8080/healthz || exit 1
+HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:3000/healthz || exit 1
+
+CMD [ "node", "." ]