Installing Elixir/Erlang on Codex

codex_beam_bootstrap.sh

#!/usr/bin/env bash
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# codex_beam_bootstrap.sh  ─  OTP 27 + Elixir 1.18 behind Codex MITM proxy
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go install github.com/asdf-vm/asdf/cmd/[email protected]
asdf plugin add erlang https://github.com/michallepicki/asdf-erlang-prebuilt-ubuntu-24.04.git || true
asdf plugin add elixir

asdf install erlang 27.3.4
asdf set -u erlang 27.3.4

asdf install elixir 1.18.3
asdf set -u elixir 1.18.3

echo 'PATH=$HOME/.asdf/shims:$PATH' >> ~/.bashrc
PATH=$HOME/.asdf/shims:$PATH

mix archive.install --force github hexpm/hex branch latest

install -Dm644 "$CODEX_PROXY_CERT" /usr/local/share/ca-certificates/codex-proxy.crt
update-ca-certificates

rm -rf deps _build mix.lock ~/.hex/cache

echo 'export ERL_SSL_CACERTFILE=/etc/ssl/certs/ca-certificates.crt' >> ~/.bashrc
echo 'export HEX_CACERTS_PATH=/etc/ssl/certs/ca-certificates.crt' >> ~/.bashrc
echo 'export HEX_CDN="https://cdn.jsdelivr.net/hex"' >> ~/.bashrc
echo 'export HEX_MIRROR="https://cdn.jsdelivr.net/hex"' >> ~/.bashrc
echo 'export HEX_HTTP_CONCURRENCY=1' >> ~/.bashrc

export ERL_SSL_CACERTFILE=/etc/ssl/certs/ca-certificates.crt
export HEX_CACERTS_PATH=/etc/ssl/certs/ca-certificates.crt
export HEX_MIRROR="https://cdn.jsdelivr.net/hex"
export HEX_CDN="https://cdn.jsdelivr.net/hex"
export HEX_HTTP_CONCURRENCY=1

mix deps.get