experimental docker user support

Dockerfile

@@ -9,7 +9,7 @@ COPY --link package.json pnpm-lock.yaml* ./
 
 RUN <<EOF
     set -xe
-    apk add libc6-compat
+    apk add libc6-compat tzdata
     apk add --virtual .gyp python3 make g++
     yarn global add pnpm
 EOF
@@ -42,7 +42,11 @@ LABEL org.opencontainers.image.source='https://github.com/benphelps/homepage'
 LABEL org.opencontainers.image.licenses='Apache-2.0'
 
 ENV NODE_ENV production
+ENV PUID 0
+ENV PGID 0
+ENV TZ Europe/London
 
+USER $PUID:$PGID
 WORKDIR /app
 
 # Copy files from context (this allows the files to copy before the builder stage is done).