add non-persistent redis server to container, resolves #186

config/root/etc/redis/redis.conf

@@ -0,0 +1,46 @@
+bind 127.0.0.1
+protected-mode yes
+port 6379
+tcp-backlog 511
+timeout 0
+tcp-keepalive 300
+daemonize no
+supervised no
+loglevel notice
+logfile ""
+databases 1
+always-show-logo no
+save ""
+dir /var/lib/redis
+maxmemory 64mb
+maxmemory-policy noeviction
+lazyfree-lazy-eviction no
+lazyfree-lazy-expire no
+lazyfree-lazy-server-del no
+replica-lazy-flush no
+lazyfree-lazy-user-del no
+oom-score-adj no
+oom-score-adj-values 0 200 800
+appendonly no
+appendfsync no
+lua-time-limit 5000
+slowlog-log-slower-than 10000
+slowlog-max-len 128
+latency-monitor-threshold 0
+notify-keyspace-events ""
+hash-max-ziplist-entries 512
+hash-max-ziplist-value 64
+list-max-ziplist-size -2
+list-compress-depth 0
+set-max-intset-entries 512
+zset-max-ziplist-entries 128
+zset-max-ziplist-value 64
+hll-sparse-max-bytes 3000
+stream-node-max-bytes 4096
+stream-node-max-entries 100
+activerehashing yes
+client-output-buffer-limit normal 0 0 0
+client-output-buffer-limit replica 256mb 64mb 60
+client-output-buffer-limit pubsub 32mb 8mb 60
+hz 10
+dynamic-hz yes

config/root/etc/services.d/redis/run

@@ -0,0 +1,4 @@
+#!/usr/bin/with-contenv bash
+
+exec s6-setuidgid redis \
+    /usr/bin/redis-server /etc/redis/redis.conf