docker compose reverse port map without using Host network driver (--net=host)

Add this to the service in your docker-compose.yml

  extra_hosts:
     - host.docker.internal:host-gateway

Example:

services:
    redis:
    restart: always
    container_name: redis
    image: redis:7.2-alpine
    extra_hosts:
      - host.docker.internal:host-gateway

Then you can reach your host from inside the container via host.docker.internal:3434

host.docker.internal is like your "localhost" on the host. It is a special DNS name.

Have you tried the IP of the host? IIRC that should work.

host.docker.internal

https://stackoverflow.com/questions/31324981/how-to-access-host-port-from-docker-container

You can use the flag

--add-host myname=host-gateway

in your container "myname" will resolve as the IP of your host.

documentation at: https://docs.docker.com/reference/cli/docker/container/run/#add-host>

You have a lot of options: https://docs.docker.com/network/drivers/

What's specifically the issue with the host driver in this case?

My solution is to create a docker network with the macvlan driver connected to a bridge interface on the host. Then you make the database listen on the bridge or just leave it on all interfaces. Don't forget to configure the ips.

I can share my config later.

Put them on the same network