SourceScan NestJS Back-end and API

Installation

1. Create .env file

   cp .env.example .env
   

2. Build and run containers

   docker compose up -d --build
   

Firewall Configuration

Open these ports (public access required):

Port	Protocol	Service	Description
33	TCP	Nginx	API proxy (NGINX_PORT)
4001	TCP+UDP	IPFS Swarm	P2P communication (SWARM_PORT)

Keep closed (internal only, bound to 127.0.0.1):

Port	Service	Description
3033	NestJS	Backend API (NEST_PORT)
5001	IPFS API	Admin interface (IPFS_PORT)
8080	IPFS Gateway	Content gateway (GATE_PORT)

IPFS WebUI

• Local: http://localhost:5001/webui
• Via nginx: http://localhost:33/ipfs-admin/webui (requires IPFS_ADMIN_USER/PASS)