Added entrypoint and fix-perms scripts for Docker

Author: AlexanderSchultheiss

docker-resources/entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+ls -l
+if [ "$(id -u)" = "0" ]; then
+  # running on a developer laptop as root
+  fix-perms -r -u user -g user /home/user
+  exec gosu user "$@"
+else
+  # running in production as a user
+  exec "$@"
+fi

docker-resources/fix-perms.sh

@@ -0,0 +1,12 @@
+# update the uid
+if [ -n "$opt_u" ]; then
+  OLD_UID=$(getent passwd "${opt_u}" | cut -f3 -d:)
+  NEW_UID=$(stat -c "%u" "$1")
+  if [ "$OLD_UID" != "$NEW_UID" ]; then
+    echo "Changing UID of $opt_u from $OLD_UID to $NEW_UID"
+    usermod -u "$NEW_UID" -o "$opt_u"
+    if [ -n "$opt_r" ]; then
+      find / -xdev -user "$OLD_UID" -exec chown -h "$opt_u" {} \;
+    fi
+  fi
+fi