#!/bin/bash
set -e

echo "Starting LiteLLM Proxy..."

# Railway injects PORT. Fall back to LiteLLM's default for local Docker runs.
APP_PORT="${PORT:-4000}"

# Railway's Redis service exposes REDISHOST/REDISPORT/REDISPASSWORD.
# Keep supporting REDIS_HOST/REDIS_PORT/REDIS_PASSWORD for portability.
export REDIS_HOST="${REDIS_HOST:-${REDISHOST:-}}"
export REDIS_PORT="${REDIS_PORT:-${REDISPORT:-}}"
export REDIS_PASSWORD="${REDIS_PASSWORD:-${REDISPASSWORD:-}}"

# Build startup command
CMD_ARGS="--config /app/config.yaml --host 0.0.0.0 --port $APP_PORT"

if [ -n "$NUM_WORKERS" ]; then
    CMD_ARGS="$CMD_ARGS --num_workers $NUM_WORKERS"
fi

echo "Launching LiteLLM with: $CMD_ARGS"
exec litellm $CMD_ARGS