test: user/permission horror in Docker continues...

Author: ahwayakchih

puppeteer.containerfile

@@ -4,14 +4,21 @@
 #
 FROM docker.io/node:alpine
 
+ARG UID=
+ARG GID=
+
 USER root
 
-RUN apk add udev gtk+3.0 xorg-server ttf-freefont dbus xvfb xvfb-run chromium git\
+RUN apk add udev gtk+3.0 xorg-server ttf-freefont dbus xvfb xvfb-run chromium\
 	&& mkdir -p /etc/chromium/policies/managed\
 	&& mkdir -p /etc/chromium/policies/recommended\
-	&& chmod -R 777 /etc/chromium/policies\
-	&& mkdir -p /app\
-	&& chown node:node /app
+	&& chmod -R 777 /etc/chromium/policies
+
+RUN test -n "${UID}" && test "${UID}" != $(id -u node)\
+	&& addgroup -g ${GID} node2
+	&& adduser -u ${UID} -G node2 -s /bin/bash -D node2\
+	&& cp -a /home/node /home/node2\
+	&& chown -R node2:node2 /home/node2
 
 ENV CHROME_BIN /usr/bin/chromium-browser
 ENV CHROME_POLICIES /etc/chromium/policies