NginxProxyManager / NginxProxyManager/nginx-proxy-manager

Parse /etc/hosts to allow using synonyms for IP addresses

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#5,335 5 comments 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
TypeScript
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Is your feature request related to a problem? Please describe.
NPM seems to ignore the /etc/hosts file, so it's impossible to use a concise name for your proxy Hosts Forward Hostname / IP. That would be very helpful in a setup where the forward hosts are not docker containers, or on a different docker host.

Describe the solution you'd like
Please make NPM resolve addresses in the /etc/hosts file, so with the following addition to the Docker-Compose file, we could use synonyms for hosts IP addresses:

extra_hosts:
      - "host1:10.0.0.1"
      - "host2:10.0.0.2"

This adds hosts to the containers internal /etc/hosts file.

Best wishes
Adrian

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how the proxy host's “Forward Hostname / IP” value is handled and how names are resolved inside the Docker container. Use the /etc/hosts and Docker Compose extra_hosts examples as the acceptance case: aliases such as host1 and host2 should resolve to their configured IP addresses.

Written by the indexing model from the issue text.

Assessment

Tech stack
docker-compose, nginx, typescript
Domain
backend, networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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