0.10 separates access logs for admin and proxy

Ideally we'd want to tag them somehow before feeding them to Docker but
for now at least the logs can get to Docker. Ref
Kong/kong#1782

Dockerfile

@@ -15,6 +15,7 @@ ENTRYPOINT ["/docker-entrypoint.sh"]
 # ensure Kong logs go to the log pipe from our entrypoint and so to docker logging
 RUN mkdir -p /usr/local/kong/logs \
     && ln -sf /tmp/logpipe /usr/local/kong/logs/access.log \
+    && ln -sf /tmp/logpipe /usr/local/kong/logs/admin_access.log \
     && ln -sf /tmp/logpipe /usr/local/kong/logs/serf.log \
     && ln -sf /tmp/logpipe /usr/local/kong/logs/error.log