Vapor 3 base image based on Swift 4.2.
This is base build. Maybe you want to make your own Dockerfile.
docker run --name vapor-app -v <vapor_project_dir>:/app pohhen/vapor:<tag>
# Overwrite start CMD
docker run --name vapor-app -v <vapor_project_dir>:/app pohhen/vapor:<tag> <CMD eg. vapor help>
Note! Volume will override your host folder '.build' folder with the one build inside cotainer.