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start.sh

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+#!/usr/bin/env sh
+set -eu
+
+
+APP_HOST=${APP_HOST:-0.0.0.0}
+APP_PORT=${APP_PORT:-7860}
+CHROMA_HOST=${CHROMA_HOST:-127.0.0.1}
+CHROMA_PORT=${CHROMA_PORT:-8001}
+DATA_DIR=${CHROMA_DATA_DIR:-/home/user/app/data}
+UVICORN_LOG_LEVEL=${UVICORN_LOG_LEVEL:-info}
+
+
+echo "Runtime config:"
+echo " APP_HOST=$APP_HOST"
+echo " APP_PORT=$APP_PORT"
+echo " CHROMA_HOST=$CHROMA_HOST"
+echo " CHROMA_PORT=$CHROMA_PORT"
+echo " DATA_DIR=$DATA_DIR"
+echo " UVICORN_LOG_LEVEL=$UVICORN_LOG_LEVEL"
+
+
+mkdir -p "$DATA_DIR"
+
+
+echo "Starting ChromaDB on ${CHROMA_HOST}:${CHROMA_PORT} (data: $DATA_DIR)"
+chroma run --host "$CHROMA_HOST" --port "$CHROMA_PORT" --path "$DATA_DIR" &
+CHROMA_PID=$!
+
+
+echo "Waiting for ChromaDB..."
+python - <<'PY'
+import os, socket, time, sys
+h = os.environ.get('CHROMA_HOST','127.0.0.1')
+p = int(os.environ.get('CHROMA_PORT','8001'))
+for i in range(120):
+    try:
+        with socket.create_connection((h,p), timeout=0.5):
+            print(f"Chroma ready after {i*0.5:.1f}s")
+            sys.exit(0)
+    except OSError:
+        time.sleep(0.5)
+print('Timeout waiting for Chroma', file=sys.stderr)
+sys.exit(1)
+PY
+
+trap 'echo "Stopping..."; kill -TERM "$CHROMA_PID" 2>/dev/null || true; wait "$CHROMA_PID" 2>/dev/null || true' INT TERM
+
+echo "Starting FastAPI on ${APP_HOST}:${APP_PORT}"
+exec uvicorn app:app --host "$APP_HOST" --port "$APP_PORT" --log-level "$UVICORN_LOG_LEVEL" --access-log