docker-compose.yml

version: "3"

services:
  # this is the log summary app
  app:
    image: golang:1.8.3
    volumes:
    - .:/go/src/github.com/vsimon/sawzall
    - nginxvolume:/var/log/nginx
    - statslogvolume:/var/log
    working_dir: /go/src/github.com/vsimon/sawzall
    command: go run ./cmd/sawzall/main.go

  # this is the nginx web server generating access logs. access logs are shared
  # with the summary app through the nginxvolume.
  nginx:
    image: nginx:1.13.1-alpine
    volumes:
    - ./demo-confs/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
    - ./demo-confs/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
    - nginxvolume:/var/log/nginx
    ports:
    - "80:80"
    # unlink access.log symlink since we don't need the docker log collector
    command: sh -c "unlink /var/log/nginx/access.log && nginx -g \"daemon off;\""

  # this is a tool which makes http requests to nginx
  tsung:
    image: ddragosd/tsung-docker:1.6.0
    volumes:
    - ./demo-confs/tsung:/usr/local/tsung
    command: -f /usr/local/tsung/http_simple.xml -l /.logs start

  # this is just a simple viewer to view the summaries for a demo. stats logs
  # are shared with the summary app through the statslogvolume.
  viewer:
    image: alpine:3.6
    volumes:
    - statslogvolume:/var/log
    command: sh -c "touch /var/log/stats.log && tail -n0 -f /var/log/stats.log"

volumes:
  nginxvolume: {}
  statslogvolume: {}