[tracker-oci-images/sam/unprivileged] Set default user in the images to `tracker`

[Sam Thursfield <sthursfield src gnome org>]

commit 943723ba2a18fa82f03c35ccc95ae00589590d9d
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Dec 9 23:56:55 2020 +0100

    Set default user in the images to `tracker`
    
    Previously we defaulted to doing everything as `root`.

 alpine/edge.Dockerfile           | 2 ++
 debian/ubuntu-rolling.Dockerfile | 2 ++
 fedora/rawhide.Dockerfile        | 2 ++
 3 files changed, 6 insertions(+)
---
diff --git a/alpine/edge.Dockerfile b/alpine/edge.Dockerfile
index 02f3ebe..3534460 100644
--- a/alpine/edge.Dockerfile
+++ b/alpine/edge.Dockerfile
@@ -26,3 +26,5 @@ RUN apk cache --purge
 
 RUN addgroup -S tracker && \
     adduser -D -G tracker -g tracker tracker
+USER tracker
+WORKDIR /home/tracker
diff --git a/debian/ubuntu-rolling.Dockerfile b/debian/ubuntu-rolling.Dockerfile
index 926a557..33c1a47 100644
--- a/debian/ubuntu-rolling.Dockerfile
+++ b/debian/ubuntu-rolling.Dockerfile
@@ -22,3 +22,5 @@ RUN apt-get -yq remove libtracker-sparql-3.0-0 && \
     rm -R /root/*
 
 RUN useradd -Um tracker
+USER tracker
+WORKDIR /home/tracker
diff --git a/fedora/rawhide.Dockerfile b/fedora/rawhide.Dockerfile
index f135650..03fcf53 100644
--- a/fedora/rawhide.Dockerfile
+++ b/fedora/rawhide.Dockerfile
@@ -37,3 +37,5 @@ RUN dnf remove -y tracker && \
     rm -R /root/*
 
 RUN useradd -Um tracker
+USER tracker
+WORKDIR /home/tracker