IMAGE redis_4.0.12-190620
FROM alpine3.9_3.9.4-190620

RUN EOF
    # Create OS user (which will be picked up later by apk add)
    addgroup -S -g 6379 redis
    adduser -S -u 6379 -h /var/lib/redis -s /bin/false -g redis -G redis redis

    # Install Redis
    apk --no-cache add redis
EOF

USER 6379 6379
CMD redis-server /etc/redis.conf