#!/bin/sh
# Render llama-swap config from the template using env knobs, then launch.
# Substitutes only ${NGL} ${THREADS} ${CTX} — leaves ${base} and ${PORT} for
# llama-swap to resolve itself.
set -eu

NGL="${NGL:-0}"
THREADS="${THREADS:-4}"
CTX="${CTX:-8192}"
DEFAULT_MODEL="${DEFAULT_MODEL:-gemma-e4b}"

TMPL="/config/config.tmpl.yaml"
OUT="/tmp/config.yaml"

sed \
  -e "s|\${NGL}|${NGL}|g" \
  -e "s|\${THREADS}|${THREADS}|g" \
  -e "s|\${CTX}|${CTX}|g" \
  -e "s|\${DEFAULT_MODEL}|${DEFAULT_MODEL}|g" \
  "$TMPL" > "$OUT"

echo "===================================================================="
echo "[entrypoint] rendered $OUT  (NGL=$NGL THREADS=$THREADS CTX=$CTX)"
echo "===================================================================="
cat "$OUT"
echo "===================================================================="

BIN="$(command -v llama-swap || echo /app/llama-swap)"
echo "[entrypoint] launching: $BIN --config $OUT --listen 0.0.0.0:8080"
exec "$BIN" --config "$OUT" --listen 0.0.0.0:8080