docker-compose.yml

# THIS SPECIFIC FILE IS DISTRIBUTED UNDER THE UNLICENSE: http://unlicense.org.
# 
# YOU CAN FREELY USE THIS CODE EXAMPLE TO KICKSTART A PROJECT OF YOUR OWN.
# FEEL FREE TO REPLACE OR REMOVE THIS HEADER.
version: '3.7'
services:
  main:
    # Makefile fills PROJECT_NAME to current directory name.
    # add UID to allow multiple users run this in parallel
    container_name: ${PROJECT_NAME}_${HOST_UID:-4000}
    hostname: ${PROJECT_NAME}
    # These variables are passed into the container.
    environment:
      - UID=${HOST_UID:-4000}
      - PORT=${PORT:-9000}
    # Run with user priviliges by default.
    user: ${HOST_USER:-nodummy}
    image: ${PROJECT_NAME}:${HOST_USER:-nodummy}
    build:
      context: .
      # Build for current user.
      target: user
      dockerfile: Dockerfile
      # These variables are passed to Dockerfile.
      args:
        - HOST_UID=${HOST_UID:-4000}
        - HOST_USER=${HOST_USER:-nodummy}
        - PROJECT_NAME=${PROJECT_NAME}
        - PORT=${PORT:-9000}
    # Run container as a service. Replace with something useful.
    command: ["node", "server.js"]
    # Espose ports to the HOST:OTHER_CONTAINERS
    ports:
      - ${PORT:-9000}:${PORT:-9000}