service: app image: app servers: web: hosts: - vm1 - vm2 workers: hosts: - vm3 cmd: sleep infinity asset_path: /usr/share/nginx/html/versions registry: server: registry:4443 username: root password: root builder: driver: docker args: COMMIT_SHA: <%= `git rev-parse HEAD` %> healthcheck: cmd: wget -qO- http://localhost > /dev/null || exit 1 max_attempts: 3 traefik: args: accesslog: true accesslog.format: json image: registry:4443/traefik:v2.10 accessories: busybox: service: custom-busybox image: registry:4443/busybox:1.36.0 cmd: sh -c 'echo "Starting busybox..."; trap exit term; while true; do sleep 1; done' roles: - web stop_wait_time: 1 readiness_delay: 0 aliases: whome: version worker_hostname: app exec -r workers -q --reuse hostname uname: server exec -q -p uname