when:
  branch: master
  event: push

steps:
  deploy:
    image: docker:cli
    volumes:
      - /root/lab:/host-lab
      - /var/run/docker.sock:/var/run/docker.sock
    commands:
      - |
        set -eu
        CONTAINER_ID="$(docker ps --format '{{.ID}} {{.Ports}}' | awk '/:8091->80\/tcp/ {print $1; exit}')"
        test -n "$CONTAINER_ID" || { echo "No running portfolio container found on port 8091"; exit 1; }
        HOST_SITE="$(docker inspect "$CONTAINER_ID" --format '{{range .Mounts}}{{if eq .Destination "/usr/share/nginx/html"}}{{.Source}}{{end}}{{end}}')"
        test -n "$HOST_SITE" || { echo "Portfolio container has no /usr/share/nginx/html bind mount"; exit 1; }
        case "$HOST_SITE" in
          /root/lab/*) TARGET="/host-lab/${HOST_SITE#/root/lab/}" ;;
          *) echo "Unexpected portfolio site path: $HOST_SITE"; exit 1 ;;
        esac
        test -f "$TARGET/index.html" || { echo "Target index.html not found: $TARGET"; exit 1; }
        grep -q "Keith Casko" "$TARGET/index.html" || { echo "Target does not look like casko.dev portfolio"; exit 1; }
        cp -a index.html homelab.html css js assets "$TARGET/"
        docker restart "$CONTAINER_ID"
        echo "Deployed commit $CI_COMMIT_SHA to $HOST_SITE"