Use daemon user and group for the service

Dockerfile

@@ -13,15 +13,14 @@ RUN sha256sum goatcounter.gz | grep -q ${GOATCOUNTER_TARBALL_SHA256SUM} && \
     gunzip goatcounter.gz && \
     chmod a+x goatcounter
 
+RUN mkdir /data
 
 FROM alpine:3.16
 
 COPY --from=builder /opt/goatcounter /usr/local/bin/goatcounter
+COPY --from=builder --chown=daemon:daemon /data
 
-RUN addgroup -S -g 1000 goatcounter && adduser -S -D -H -u 1000 goatcounter -G goatcounter
-
-RUN mkdir /data
-
-USER goatcounter
+WORKDIR /data
+USER daemon
 
 ENTRYPOINT goatcounter serve -listen 0.0.0.0:5000 -automigrate -tls none -db "$DATABASE_URL"