docker-compose.yaml

version: '3'
services:
  k6:
    image: grafana/k6
    volumes:
      - ./script.js:/src/script.js
    entrypoint: ["k6", "run", "/src/script.js"]
    networks:
      - test-net
    depends_on:
      - nginx
  
  nginx:
    image: nginx:alpine
    ports:
      - "8080:80"
    networks:
      - test-net
  
  tcpdump:
    image: nicolaka/netshoot # Using netshoot instead of dockersec/tcpdump for better networking tools
    command: ["/bin/sh", "-c", "tcpdump -i any -n 'tcp port 80 or tcp port 8080' -w /captures/traffic.pcap"]
    network_mode: "service:nginx" # Attach to nginx's network namespace
    volumes:
      - ./captures:/captures
    cap_add:
      - NET_ADMIN
      - NET_RAW
    depends_on:
      - nginx

networks:
  test-net:
    driver: bridge