proxyport

proxyport

alpine:edge-based sidecar container for forwarding ports to remote hosts

As the site says:

HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications

This container is NOT a general-purpose containerization of haproxy, it is using haproxy exclusively the single specific purpose of forwaring ports in a container sidecar context.

The source code for this image is hosted on GitHub in the backplane/conex repo.

Usage

This is text of the entrypoint's usage function:

Usage: entrypoint [-h|--help] [arg [...]]

-h / --help   show this message
-d / --debug  print additional debugging messages

allow:<ip_cidr>    add an ACL allow entry for the given IP subnet
deny:<ip_cidr>     add an ACL deny entry for the given IP subnet
proxy:<listen_port>:<upstream_host>:<upstream_port>
                   add a frontend and backend pair that proxies
                   connections to the given port to the the given
                   upstream host and port

This container proxies HTTP connections to remote hosts.

Interactive

The following shell function can assist in running this image interactively:

proxyport() {
  docker run \
    --rm \
    "backplane/proxyport" \
    "$@"
}