Pipeline for testing passing an ssh-agent socket to docker-compose

docker-compose.yml

version: '3'
services:
  ssh-test:
    build: .
    working_dir: /app
    environment:
      - SSH_AUTH_SOCK=/ssh-agent
    volumes:
      - $SSH_AUTH_SOCK:/ssh-agent

Dockerfile

FROM lgatica/openssh-client:latest

pipeline.yml

steps:
  - label: ":docker: Run"
    command: sh -c "env | grep SSH_AUTH_SOCK && ssh-add -l"
    plugins:
      docker-compose#v2.5.1:
        run: ssh-test