set -e (&>/dev/null lcp --proxyUrl https://eth-mainnet.g.alchemy.com/v2/23IavJytUwkTtBMpzt_TZKwgwAarocdT --port 9001 &) (&>/dev/null lcp --proxyUrl https://www.lightclientdata.org --port 9002 &) npm run build simple-http-server