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nginx-proxy

nginx-proxy sets up a container running nginx and docker-gen, that
allow for nginx to be reloaded with a new reverse proxy every time a container
is started or stopped.

This image is mainly a copy of the original work by Jason Wilder, but
rewritten to use the lightweight structure of nginx docker image.

See Automated Nginx Reverse Proxy for Docker for why you might want to use
this.

Usage

To run it:

docker run -d \
    -p 80:80 \
    -v /var/run/docker.sock:/tmp/docker.sock \
    joaodubas/nginx-proxy

Then start any containers you want proxied with an environment variable
VIRTUAL_HOST=subdomain.youdomain.com

docker run -e VIRTUAL_HOST=foo.bar.com ...

Provided your DNS is setup to forward foo.bar.com to the a host running
nginx-proxy, the request will be routed to a container with the VIRTUAL_HOST
environment variable set.

Multiple Ports

If your container exposes multiple ports, nginx-proxy will default to the
service running on port 80. If you need to specify a different port, you can set
a VIRTUAL_PORT environment variable to select a different one. If your
container only exposes one port and it has a VIRTUAL_HOST environment variable
set, that port will be selected.

Multiple Hosts

If you need to support multiple virtual hosts for a container, you can separate
each entry with commas. For example, foo.bar.com,baz.bar.com,bar.com and each
host will be setup the same.

Volumes

To make it easier to also use this image to serve static content, one can mount
additional configurations files in the folder /opt/nginx-proxy/sites-static.

By default, docker-gen will generate configurations based on
nginx.tmpl, if a different template needs to be used, mount a volume in
/opt/nginx-proxy/nginx containing the nginx.tmpl.

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