HHVM inside Docker and MySQL (outside) on host - mysql

Question

I setup HHVM inside Docker on cPanel server with this configuration:
http://wiki.mikejung.biz/HHVM
Section - "How to run HHVM in a Ubuntu docker container on cPanel"
My Docker configuration is:
"Name": "/sad_wozniak",
"NetworkSettings": {
"Bridge": "docker0",
"Gateway": "172.17.42.1",
"IPAddress": "172.17.0.13",
"IPPrefixLen": 16,
"MacAddress": "02:42:ac:11:00:0d",
"PortMapping": null,
"Ports": {
"9000/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "9000"
and on VirtualHost of domain i add:
<IfModule mod_proxy_fcgi.c>
ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://172.17.0.13:9000/home/username/public_html/
</IfModule>
I check that it works with curl:
HTTP/1.1 200 OK
Date: Sat, 04 Apr 2015 22:34:52 GMT
Server: Apache
X-Powered-By: HHVM/3.6.1
X-Mod-Pagespeed: 1.9.32.3-4448
Cache-Control: max-age=0, no-cache
Content-Length: 17
Content-Type: text/html; charset=utf-8
But i get MySQL error:
Error establishing a database connection
Outside Docker MySQL server has permissions to use any remote connection. I'd like to use "localhost" on server to MySQL server.
MySQL run on:
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 498 19250361 3206/mysqld
How to connect HHVM with this MySQL which is outside the Docker?

Answer 1

As documentation states, you need to add host address as alias to container
http://docs.docker.com/reference/commandline/cli/#adding-entries-to-a-container-hosts-file
Note: Sometimes you need to connect to the Docker host, which means getting the IP address of the host. You can use the following shell commands to simplify this process:
$ alias hostip="ip route show 0.0.0.0/0 | grep -Eo 'via \S+' | awk '{ print \$2 }'"
$ docker run --add-host=docker:$(hostip) --rm -it debian
After that you should be able to connect to host MySQL using address docker:3306 from container.