#!/bin/sh
set -eu

: "${CORE_SSH_HOST:?Set CORE_SSH_HOST}"
: "${CORE_SSH_USER:?Set CORE_SSH_USER}"

exec ssh -NT \
    -p "${CORE_SSH_PORT:-22}" \
    -i /run/ssh/id_ed25519 \
    -o BatchMode=yes \
    -o IdentitiesOnly=yes \
    -o StrictHostKeyChecking=yes \
    -o UserKnownHostsFile=/run/ssh/known_hosts \
    -o GlobalKnownHostsFile=/dev/null \
    -o ExitOnForwardFailure=yes \
    -o ServerAliveInterval=30 \
    -o ServerAliveCountMax=3 \
    -o ConnectTimeout=10 \
    -L "0.0.0.0:3306:${CORE_DB_HOST:-127.0.0.1}:${CORE_DB_PORT:-13306}" \
    "${CORE_SSH_USER}@${CORE_SSH_HOST}"