compose.yaml

# Define a single service to run against.
services:
 # Define the development environment service.
 devenv:
  # Build the image using the current host directory as the context.
  build: .
  # Declare a custom hostname for the service container.
  hostname: container
  # Mount the current host directory in a new container directory.
  volumes:
   - .:/root/devenv
  # Set the mount's target as the working directory.
  working_dir: /root/devenv