Add to your project's .npmrc, or ~/.npmrc for all projects.

registry=https://proxy.ecosyste.ms/npm/

Set the index URL for your package manager in the current shell.

export PIP_INDEX_URL=https://proxy.ecosyste.ms/pypi/simple/

export UV_DEFAULT_INDEX=https://proxy.ecosyste.ms/pypi/simple/

Configure Bundler's mirror for this project. Keep your existing RubyGems source in the Gemfile.

bundle config set --local mirror.https://rubygems.org https://proxy.ecosyste.ms/gem

Set GOPROXY in your shell or build environment. The direct fallback uses the source repository when a module is unavailable.

export GOPROXY=https://proxy.ecosyste.ms/go,direct

Add a source replacement to your project's .cargo/config.toml or ~/.cargo/config.toml.

[source.crates-io]
replace-with = "proxy"

[source.proxy]
registry = "sparse+https://proxy.ecosyste.ms/cargo/"

Add the proxy as a Composer repository for this project.

composer config repositories.proxy composer https://proxy.ecosyste.ms/composer

Set the mirror in your shell before running mix deps.get.

Hex cooldowns require disabling registry signature verification. Origin verification stays enabled. See Hex's verification settings.

export HEX_MIRROR=https://proxy.ecosyste.ms/hex

Set the hosted package URL before running dart pub get or flutter pub get.

export PUB_HOSTED_URL=https://proxy.ecosyste.ms/pub

Add a mirror for Maven Central in ~/.m2/settings.xml.

<settings>
  <mirrors>
    <mirror>
      <id>proxy</id>
      <mirrorOf>central</mirrorOf>
      <url>https://proxy.ecosyste.ms/maven/</url>
    </mirror>
  </mirrors>
</settings>

Add the proxy as a package source for dotnet restore. Remove the direct nuget.org source if all downloads should use the proxy.

dotnet nuget add source https://proxy.ecosyste.ms/nuget/v3/index.json -n proxy

Set the channels in ~/.condarc. These URLs also work with clients such as pixi.

channels:
  - https://proxy.ecosyste.ms/conda/main
  - https://proxy.ecosyste.ms/conda/conda-forge

Set the API and artifact domains in your shell before running brew.

export HOMEBREW_API_DOMAIN=https://proxy.ecosyste.ms/homebrew
export HOMEBREW_ARTIFACT_DOMAIN=https://proxy.ecosyste.ms

Add a Docker Hub mirror to /etc/docker/daemon.json, preserving any existing settings, then restart Docker.

{
  "registry-mirrors": ["https://proxy.ecosyste.ms"]
}

The public build cache is read-only. Add this to settings.gradle.kts to read cached entries; uploads require your own instance with writes enabled.

buildCache {
  remote<HttpBuildCache> {
    url = uri("https://proxy.ecosyste.ms/gradle/")
  }
}

Add the proxy remote and disable direct downloads from ConanCenter.

conan remote add proxy https://proxy.ecosyste.ms/conan
conan remote disable conancenter

Set the source in your Berksfile. For Policyfiles, use default_source :supermarket, "https://proxy.ecosyste.ms/chef".

source "https://proxy.ecosyste.ms/chef"

Set the CRAN repository in your R session, or add this to ~/.Rprofile.

options(repos = c(CRAN = "https://proxy.ecosyste.ms/cran"))

Set the package server in your shell before starting Julia.

export JULIA_PKG_SERVER=https://proxy.ecosyste.ms/julia

Set the default registry for the current Swift package. Registry dependencies use scoped package identifiers in Package.swift.

swift package-registry set https://proxy.ecosyste.ms/swift

In your Debian .sources file, replace the main archive URI with the line below. Keep your existing suites, components, signing key and separate security archive.

URIs: https://proxy.ecosyste.ms/debian

Use this base URL in your Fedora repository configuration. Keep the existing signing keys and signature checks.

baseurl=https://proxy.ecosyste.ms/rpm/releases/$releasever/Everything/$basearch/os/

In /etc/apk/repositories, replace the Alpine mirror URL prefix with the prefix below. Keep the release and component paths already in your file.

https://proxy.ecosyste.ms/apk/alpine

Put this server at the top of /etc/pacman.d/mirrorlist. Keep your existing signature settings.

Server = https://proxy.ecosyste.ms/arch/archlinux/$repo/os/$arch

In /usr/local/etc/pkg/repos/FreeBSD.conf, override each repository URL using this prefix. Keep its ABI and branch path, set mirror_type: "none", and retain the existing signature settings.

https://proxy.ecosyste.ms/freebsd/freebsd