APP_PORT=8080 APP_IMAGE=ghcr.io/fanyang89/grep-nest:latest MCP_AUTH_TOKEN= MCP_ALLOWED_HOSTS= MCP_ALLOWED_ORIGINS= SEARCH_TIMEOUT_MS=2000 SEARCH_MAX_FILES=100 OPENGROK_URL=https://opengrok.example.com OPENGROK_PROJECTS=backend:main,frontend:main OPENGROK_AUTH_TOKEN= OPENGROK_REINDEX_URL= OPENGROK_REINDEX_TOKEN= RUST_LOG=grep_nest=info,tower_http=info