docksal/dns
DNS discovery service image for Docksal - http://docksal.io
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This image(s) is part of the Docksal image library.
Provides wildcard domain name resolution for local development.
$ docker run --name dns -d -e DNS_DOMAIN=docksal -e DNS_IP=192.168.64.100 docksal/dns
$ nslookup something.docksal 192.168.64.100
Server: 192.168.64.100
Address: 192.168.64.100#53
Name: something.docksal
Address: 192.168.64.100
Replace 192.168.64.100
with your Docker host IP.
This image has docker-gen built-in. Whenever containers start or stop the DNS configuration will be updated.
User either the DNS_NAME
environment variable or the dns.name
label with your containers to assign them
an arbitrary domain name. The assigned domain name will be resolved to the container's internal IP address.
docker run --name dns-test -d -e DNS_NAME=test.mydomain.com busybox top
$ nslookup test2.mydomain2.com 192.168.64.100
Server: 192.168.64.100
Address: 192.168.64.100#53
Name: test2.mydomain2.com
Address: 172.17.0.5
$ docker run --name dns-test2 -d --label dns.name=test2.mydomain2.com busybox top
$ nslookup test.mydomain.com 192.168.64.100
Server: 192.168.64.100
Address: 192.168.64.100#53
Name: test.mydomain.com
Address: 172.17.0.6
Replace 192.168.64.100
with your Docker host IP.
Launch the container with LOG_QUERIES=true
to enabled query logging.
docker run --name dns -d -e DNS_DOMAIN=docksal -e DNS_IP=192.168.100.64 -e LOG_QUERIES=true docksal/dns
View logs with docker logs dns
docker pull docksal/dns