Create docker-entrypoint.sh

docker-entrypoint.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+set -e
+
+# first arg is `-f` or `--some-option`
+# or first arg is `something.conf`
+if [ "${1#-}" != "$1" ] || [ "${1%.conf}" != "$1" ]; then
+	set -- redis-server "$@"
+fi
+
+# allow the container to be started with `--user`
+if [ "$1" = 'redis-server' -a "$(id -u)" = '0' ]; then
+	find . \! -user redis -exec chown redis '{}' +
+	exec gosu redis "$0" "$@"
+fi
+
+# set an appropriate umask (if one isn't set already)
+# - https://github.com/docker-library/redis/issues/305
+# - https://github.com/redis/redis/blob/bb875603fb7ff3f9d19aad906bd45d7db98d9a39/utils/systemd-redis_server.service#L37
+um="$(umask)"
+if [ "$um" = '0022' ]; then
+	umask 0077
+fi
+
+exec "$@"