Newest docker compose file for Visual Studio Code Dev Container

docker-compose.yml

version: '3.9'

services:
  app:
    networks:
      - proxynet
    extra_hosts:
      - "host.docker.internal:host-gateway"
    build: 
      context: .
      dockerfile: Dockerfile

    volumes:
      - ../..:/workspaces:cached
      
    # Overrides default command so things don't shut down after the process ends.
    command: sleep infinity

    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally. 
    # (Adding the "ports" property to this file will not forward from a Codespace.)
networks:
  proxynet:
    external: true